Hi Travis,

Listed below is a translated excerpt from the book: "Genealogy of Nochistlán, Old Kingdom of New Galicia in the 17th Century according to its Parish Archives"

Chapter 80 covers several of the individuals that are involved in the documents noted in your original post.  Unfortunately this does not answer your question as to whether or not Sebastian Perez and Lazaro Ramos were half-brothers, but perhaps the below translated document may assist others in knowing the extent of this Perez family, including Sebastian Perez.   The translated and actual documents are both located in our File section, under the "Reference" area. The link:  Nochistlan Capitulo 80

Chapter 80, Start Page 231

Genealogy of Nochistlán, Old Kingdom of New Galicia in the 17th Century according to its Parish Archives

The Pérez de Frías / Pérez Burgeño / Pérez Espinoza of Santa María de los Lagos at the beginning of the 17th century

Descendants of Juan Pérez de Frías and María López

There is some doubt as to who the father of the offspring documented in this chapter is. According to the illustrious researcher Don José Alfonso Rodríguez de Carvajal y Ortiz, these are sons of Juan Pérez de Frías, son of Juan Pérez de Frías the Elder, brother by Hernando de Frías.  It is documented that Juan Pérez de Frías the Elder "In 1597 Juan Pérez de Frías received a siege of cattle (780 hectares) and a caballeria of land (43 hectares) bordering the town." p.21. Rojas, Beatriz et al., Brief History of Aguascalientes. 1994, El Colegio de México. Likewise, Juan Pérez de Frías is documented as selling land to the Orozco Agüero family in 1579 giving rise to the Ajojucar hacienda. (Guillermo Garmendía Leal, p. 121). Likewise, there is the Document dated June 15, 1577 concerning the Indians of Nochistlán to the Mayor M^R of the valley of Suchulipa regarding bad treatments that mention sending Indians to serve Ju°de Frías Voice of the pu^o of Teocaltiche, State Public Library from Jalisco, No. 11, Leg. 1, 16th Century. Doña Ángela de Belasco, widow, wife of Gerónimo de Orosco, deceased, mentions who appeared before the notary Juan Pérez de Ribera, his son, Franco de Orosco, and presented a mrd Ssha for Mr. Don Gerónimo of Orosco, president and governor, and Cappan, general, who was from this R" to Ju Pérez de Frías, of a cattle ranch site smaller (438 hectares) and four caballeries of land (166 hectares in total) in terms of this town (Teocaltiche) in the Junta of the two rivers of Custique and the one they call the big one and up above, a hot spring in the river itself, and by the lower part a mustard. Its date in Guadalajara on October 20, 1579. These two documents were provided by the illustrious researcher Don José Alfonso Rodríguez de Carvajal y Ortiz. It is a fact that María Burgeño, Ana Pérez, and Sebastián Pérez are siblings, all born in the early 17th century. They need to be identified. The name Pérez de Frías is due to marriage records and the fact that Casilda is the daughter of Beatriz Pérez or Burgeño and granddaughter of Ana Pérez should have himself appointed from Frías. Likewise, Don José Alfonso Rodríguez de Carvajal y Ortiz mentions the possibility of the existence of a Sebastián Pérez de Frías. Initially, Jaime Holcombe mentions an unknown person with the surname Burgeño. He married María Rubio, possibly the daughter of Diego González and María Rubio, who had the following offspring (coinciding the first two): María Burgeño married to Juan López de Elizalde, Ana Burgeño married to Bartolomé Martín, Catalina Rubio married to Luis López Ramírez, N.N. married to Diego Pérez who died on July 12, 1629 and Francisco González born c. 1592. He then mentions that these offspring are the children of Juan Pérez de Frías and María López.  From the marriage the following three offspring have been documented:

1) María Burgeño or María López married to Juan López de Elizalde son of Juan López de Elizalde y Aberruza and Leonor Becerra and Sánchez de Mendoza, Chapter 81.

 2) Sebastián Pérez de Frías, who married Leonor de Rubalcava. On February 4, 1687, in Santa María de los Lagos, presented the dispensation of 3rd degree of consanguinity due to lawful copulation of Juan de Ornelas, a 40-year-old Spaniard, a natural and resident of said parish; to marry Leonor de Rubalcava, 48 years of age, widow of Sebastián Pérez, and daughter legitimate of Juan de Rubalcava and María López, where the claimant declared that María López, deceased, was his blood sister of Sebastián Pérez, husband of the said Leonor de Rubalcava, the intended bride, and the same María López, was Beatriz López's mother, and she was the mother of the said Juan de Ornelas, so that the said Sebastián Pérez was the carnal uncle of the Beatriz López, mother of the prospective groom. Sacred Mitre of Guadalajara, Records of the Series of Marriages - Extracts from the 17th and 18th Centuries, María de la Luz Montejano Hilton, Microfilm 167982-474. Rodrigo was a witness de Olivares, 44 years old, who said that Sebastián Pérez de Frías died 12 years ago, Francisco de Olivares, 37 years of age and Francisco Sánchez Moreno, 63 years of age (information provided by Mary Lou Montagna).

Possibly the same woman, Leonor González, wife of Juan Pérez de Ornelas, died on January 2, 1697.

The following three offspring have been documented from the marriage:

    a) Sebastián Pérez de Frías. On April 21, 1719, in Santa María de Los Lagos, the marriage information was presented.  Sebastián Pérez de Frías, 57 years old, son of Sebastián Pérez de Frías and Leonor de Rubalcava and widower of Josepha de Castañeda; to marry               María García, with Nicolás de Ornelas as witness, who says that the deceased Josepha de Castañeda was his aunt.

b) Marcos Pérez de Frías. On February 5, 1674, Marcos, son of Sebastian Pérez and Leonor, was baptized in Teocaltiche, hijo Sebastian Perez and Leonor Robalcava, with Diego Jiménez and María Ruiz as godparents, all Spaniards and residents of this jurisdiction.

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Genealogy of Nochistlán, Old Kingdom of New Galicia in the 17th Century according to its Parish Archives

c) Inés de Rubalcava, legitimate daughter of Sebastián Pérez and Leonor de Rubalcava, who married Juan Ximénez on the 21^st May 1716 in Santa María de los Lagos.

d) Juan Pérez de Ornelas. On August 9, 1707, Juan Pérez de Ornelas, a Spaniard, presented marriage information. Originally from and resident  of this parish in Río de Santa María, legitimate son of Sebastián Pérez de Ornelas and Leonor de Rubalcava, deceased; to marry Magdalena de Valdez, a Spanish widow of Joseph Carrillo and originally from Teocaltiche and a resident of this parish for six months, legitimate daughter of Basilio de Valdez and Catalina de Anda Altamirano.

3) Ana Pérez or Burgeño, who married Bartolomé Martín. On April 25, 1699, in Santa María de los Lagos, she was noted in a dispensation from a 4th degree of consanguinity for Sebastián Hernández, a 28-year-old Spanish citizen, resident and originally from said town legitimate son of Alonso Hernández and Juana de Araujo; to marry Josepha Pérez de Ornelas, a 20-year-old Spanish woman of age, legitimate daughter of Juan Pérez de Ornelas and Leonor de Rubalcava, deceased, residents of the parish, where she declared that Ana Pérez and María Burgeño were sisters and that Ana Pérez had a daughter named Beatriz Burgeño (Beatriz Burgeño or Pérez, who married Isidro de Araujo (Chapter 85), who had a daughter, Juana de Araujo, the claimant's mother, and the aforementioned María Burgeño had a daughter, Beatriz López, mother of Juan Pérez de Ornelas, father of the claimant. Sacred Mitre from Guadalajara, Marriage Records - Extracts from the 17th and 18th Centuries, María de la Luz Montejano Hilton, Microfilm 168604-2904. 

Bartolomé Martín married María Sánchez de Mendoza as his second wife, having descendants in San Juan de los Lagos according to the register of the Xalostotitlán district of 1650 (House of Bartolomé Martín, Spaniard who lives in the town of San Juan): Juan Garcia, his son of 28 anos, Lázaro de la Peña or Sánchez, a Spaniard who married Jerónima Chavarria, daughter of Juan Rodríguez de Chavarría and Beatriz de Retamosa, Joséph Sánchez de Mendoza who married D. Maria de Orozco and others children and grandchildren. The report of Fiscal proceedings of the Royal Court of Guadalajara of Santa María de los Lagos of May 10^th 1612 which mentions: Diego Pérez, Bartolomé Martín and Juan López de Liçarci, his sons-in-law, indicating that at least Bartolomé Martin and Joan López de Liçarci are married to two sisters, Ana Pérez o Burgeño and María López de Elizalde respectively. Regarding another Bartolome Martin—or perhaps the same person or a relative—the following three pieces of information exist:  On December 27, 1589, in Aguascalients, Bartolome Martin married Cathalina de Espinoza, daughter of the public notary Francisco de Espinoza (a resident of Santa Maria de los Lagos who was still alive in 1605), with Rodrigo Munoz, Hernando de Villegas, Simon Galarca, and others serving as witnesses. They were veiled on March 6, 1590 in Santa María de los Lagos. On June 16, 1628, in St. Mary of the Lagos, Catalina, daughter of Bartholome Martin and Cathalina de Ortega, was baptized. with Madalena de Padilla and Don Lorenso de Padilla as godparents. On October 8, 1635, in Santa María de los Lagos, it was Bartolomé, son of Bartolomé Martín and Cathalina de Ortega, was baptized, with Pedro Gómez Portugal and his wife as godparents. Isabel Ortiz. On August 15, 1639, in Santa María de los Lagos, Nicolás, son of Bartolome Martin and of Cathalina de Ortega, his wife, and his godparents were Lieutenant Andrés López and his sister María González. From this marriage  the following four documented offspring:

a) Nicolás Martín. On March 27, 1619, Nicolás, son of Bartolomé Martín and Ana Burgeño, was baptized in Santa María de los Lagos, with Miguel Hernandez and Juana de Herrera as godparents.

b) Beatriz Burgeño who married Isidro de Araujo, Chapter 85.

c) María Burgeño. On May 3, 1663, in Santa María de los Lagos, Joseph de Espinosa, legitimate son of Francisco de Espinoza… de fernándes del pinal; with María Burgeño, legitimate daughter of Bartolomé Martín and Ana Péres, both deceased. His wedding sponsors were Ysidro de Cuebas (de Araujo) and Beatriz Burgeño, his wife. The census of this town of Santa Maria de los Lagos for the year 1669 mentions:

                 "Joseph de Espinoza / María de Burgeño, his wife"

d) Alfonso Pérez Burgeño. A possible son of this marriage is Alfonso Pérez Burgeño who married María de Mendoza. The following offspring has been documented from this marriage:

1) Ildefonso Pérez Burgeño. On February 12, 1663, Ildefonso was baptized in Santa María de los Lagos. (appeared to be seven months old) son of Alfonso Pérez Burgeño and María de Mendoza, natives of this. The parishioners of said town of Xalostotitlán were Ju' de Fuentes and Josepha Guttz, godparents.

4) Diego Pedro Pérez de Frías. Another possible son of this marriage is Diego Pérez de Frías: On July 9, 1656 in the Royal Court of Sierra de Pinos, Diego de Frías and Elena de Sotomayor (daughter of Juan Montañez and María de Sotomayor) were married. On

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Genealogy of Nochistlán, Old Kingdom of New Galicia in the 17th Century according to its Parish Archives

José Luis Vázquez y Rodríguez de Frías

March 3, 1641, in Teocaltiche, Gerónima, daughter of Ju de Rubalcaba and Mari López, residents of the town of, was baptized in Teoqualtiche, with godparents Diego P° son of Ju° Péres de Frías and Mariana Lópes his sister (of Diego Pedro) residents of this village. 

The following eight offspring have been documented from this marriage:

a) Melchora de los Reyes y Pérez de Frías, who married José de Ornelas. Melchora was confirmed on December 29th of 1666 in Teocaltiche, with Francisca Sánchez as godmother. On June 22, 1708, Teocaltiche presented Matrimonial information Matiana Ruiz daughter of Antonio Ruiz (de la Fuente) and Mariana de Ullóa; to marry Luis de Ornelas, son of José de Ornelas and Melchora Pérez de Frías, where there was an impediment of consanguinity.   Jaime Holcombe presents the following hypothetical family tree (Private communication between Jaime Holcombe and Mary Lou Montagna).

                                                                                                  |

The following six offspring have been documented from this marriage:

1) José de Ornelas. On October 17, 1681, in Teocaltiche, Luis de Ornelas was baptized. On December 16 in 1708 in Teocaltiche, marriage information was presented by Joseph de Ornelas, a 26-year-old Spaniard, son of Joseph de Ornelas and Melchora de los Reyes y Pérez Frías to marry María González de Rubalcava, daughter of Joseph Rubalcava, deceased, and Petra Díaz. The claimant declared that she has two children and is expecting another. Thus, it was also documented that the grandmother of the claimant and the grandmother of the claimant were sisters. Sacred Mitre of Guadalajara, Microfilm 168114. 

2) Bernardo de Ornelas who married Gabriela Sánchez Carrillo de Sandi, natural daughter of Ygnacio Carrillo de Sandi and Gertrudis Sánchez. On April 9, 1731, in Teocaltiche, Bernardo Ornelas 25 years old presented marriage information. Bernardo, son of Joseph de Ornelas and Melchora de los Reyes y Pérez, to marry Gabriela Sánchez Carrillo, 16 years of age, the natural daughter of Ignacio Carrillo de Sandi and Gertrudis Sánchez. The bride-to-be declares that... although her father would like to take her in, he is poor, has many children, and is married... and her mother has other daughters, all of whom are poor in the town of Aguascalientes and live outside this parish. It was also documented that Ignacio Carrillo was the son of Agustina Jiménez, daughter of Jacinta de las Roelas, sister of María de Sotomayor, mother of Elena de Sotomayor, mother of Melchora de los Reyes y Pérez. Sagra Mitra of Guadalajara, Microfilm 16814.

   3) Juan de Ornelas who married María González de Rubalcava daughter of Joseph González de Rubalcava and Petra Díaz.

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Genealogy of Nochistlán, Old Kingdom of New Galicia in the 17th Century according to its Parish Archives

4) Gerónimo de Ornelas. On October 21, 1733, Gerónimo de Ornelas and Rosa María Lorensa de Villaseñor, daughter of Gerónimo de Villaseñor and Ana Muñoz Lozano (ancestors of Mary Lous Montagna), were married.

   5) Luys de Ornelas. On January 24, 1677, Luis de Ornelas was baptized in Teocaltiche.

   6) Felipe de Ornelas. On September 9, 1683, Felipe de Ornelas was baptized in Teocaltiche.

b) Antonio Pérez de Frías. Antonio, son of [name missing], was confirmed on December 29, 1666 in Teocaltiche, with [name missing] as godfather. Fabian Perez.

c) Diego Pérez de Frías. Diego was confirmed on December 29, 1666 in Teocaltiche, with Domingo Udade was his godfather.

d) Mariana Pérez de Frías or Sotomayor. Mariana was confirmed on December 29, 1666 in Teocaltiche, being Godmother Gerónima de Morales, wife of Matheo de Rubalcaba. On the 16th day of the month of May 1688 having...casé in facie eclecie to Juan de Arse, Spaniard, neighbor of this village of parents unknown; with Mariana de Sotomaior, Spanish woman of this party, legitimate daughter of Diego Pérez de Frías, deceased, and Elena de Sotomaior, her godfather was Hernando Flores de la Torre and his wife Xetrudes de Ornelas, and witnesses Nicolás de Puga and Juan de Campos, all Spaniards.

e) Juan Pérez de Frías. Juan was confirmed on December 29, 1666 in Teocaltiche, with Lic. Miguel Marin (nez de Alcaron) as his godfather. On February 22, 1786, in Teocaltiche, Rafael Pérez Frias, 26 years old presented marriage information, He was the son of Andrés Pérez de Frías, deceased, and María Gertrudis Cornejo; to marry Juana Rafaela de Ornelas, 22 years old, widow of Joseph Rafael León de Acosta and daughter of Ignacio de Ornelas and Catarina Juan de Ornelas, father of Ignacio de Ornelas. Sacred Mitre of Guadalajara, Microfilm 168070.

f) Francisco Pérez de Frías. Francisco was confirmed on December 29, 1666 in Teocaltiche, with his godfather being Joseph de Navidad. On December 12, 1735, in Teocaltiche, the marriage certificate of Francisco was presented. Pérez de Frías, a 16-year-old Spaniard living in the town of Río Chico, the natural son of Francisco Pérez de Frías; to marry Juana de Ornelas, a 22-year-old Spanish woman from the same town, daughter of José de Ornelas and María de Rubalcava, where it was documented that the claimant's father was the brother of Melchora Pérez de Frías, the father's mother of the alleged Sacred Mitre of Guadalajara, this information was documented from the original by the illustrious researcher Don José Alfonso Rodríguez de Carvajal y Ortiz.

g) Getrudis Pérez de Frías. Getrudis was confirmed on December 29, 1666 in Teocaltiche, with Juana Lopez de Nava as her godmother.

h) Gertrudis Pérez de Frías. On April 12, 1674, in Teocaltiche, Gertrudis, daughter of Diego Pérez de Frías and Elena de Sotomayar, was baptized, with Pedro Sánchez and Jeronima de Morales as godparents.

i) Nicolás Pérez de Frías. On February 21, 1771, in Teocaltiche, Antonio de presented marriage information Tejeda, 16 years old, son of Cristóbal Tejeda and Gertrudis Pérez, to marry Juana Ponce, 22 years old,       daughter of Joseph Joaquín Ponce and Matiana de San Juan de Ornelas where it was documented that Gertrudis Pérez was the daughter of Nicolás Pérez, brother of Melchora Pérez, mother of Juan de Ornelas, father of Matiana de San Juan de Ornelas. Sacred Mitre of Guadalajara, Microfilm 168045. On September 22, 1755, in Teocaltiche, they presented information matrimonial Miguel de Ornelas Mendoza, originally from and resident of this jurisdiction in Río Chico, son of Juan Ornelas Mendoza (+) and María Gutiérrez Hermosillo to marry Juana Gertrudis Texeda, Spanish, daughter of Christóbal Tejeda              (+) and of Gertrudis Pérez de Frías, where a pure 3rd degree impediment of consanguinity was presented since Juan de Ornelas was the son of Melchora Pérez Frías, sister of Nicolás Pérez Frías, father of Gertrudis Pérez de Frías, mother of Juana Gertrudis Tejeda. The witnesses were Thomas Díaz Montañes, 52 years old, who is not subject to the general information and Andrés Becerra, a 40-year-old resident of this parish, who is not eligible for the general elections, and Francisco Pérez Frías, of 70 years of age, who is entitled to the generals for both candidates. Sacred Mitre of Guadalajara, Microfilm 168377.

5) Mariana López, the sister of Diego Pedro Pérez de Frías,

6) Luisa Delgadillo. Another possible daughter of this marriage is Luisa Delgadillo who married Diego Morán, Chapter 84.

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Genealogy of Nochistlán, Old Kingdom of New Galicia in the 17th Century according to its Parish Archives

José Luis Vázquez y Rodríguez de Frías

7) Juana Burgeño or Pérez. Another possible daughter of this marriage is Juana Burgeño or Pérez who married Hernando Medel. On January 3, 1618, in Santa María de los Lagos, the wedding ceremony of Hernando Medel (son of) was documented. Ana Domínguez Delgado and Hernando Medel (who made his will in León in 1605) and María Burgueño, with Pedro as godparents Muñiz and his wife. On the 7th day of the month of July 1621 in Aguascalientes, I baptized and anointed Nicolás, son of Pedro. Macías Valadez and Luisa de Villegas, his wife, neighbors of the Santa Ana de Tequan settlement (Chapter 68), were godparents Hernando Medel and Juana Burgueño, his wife, residents of the town of Los Lagos. Other children of Hernando Medel and Ana Domínguez Delgado were Juana Domínguez, who married Juan Rodríguez Palomo, and María Medel, who had a daughter. named Ana Domínguez who married Pedro Alonso de los Hinojos (Private communication between Mary Lou Montagna and Jaime Holcombe). The following three offspring have been documented from this marriage:

a) Joseph Medel. On March 27, 1619, in Santa María de los Lagos, Joseph, son of Hernando Medel, was baptized and Juana Burgeño, with Estevan de Anda and his niece Ana Ramires as godparents.

b) Ysabel Medel.

c) Sebastiana Medel. On January 27, 1628, in Santa María de los Lagos, Sebastiana, daughter of Hernando Medel and Juana Burgueño, was baptized, with Santiago de Pedroza and his wife Ju de Alva as godparents. On April 5, 1647, in Aguascalientes, Sebastiana Pérez Burgeño, daughter of Hernando Medel and Juana Pérez, married Captain Nicolás López de Elizalde, son of Miguel López de Liçardi and Beatriz López. The witnesses were Antonio de León, Chief Justice of this town, Juan Marín de Peñalosa, and Diego Vásquez de Buendía, and the godparents were Martín de Altuna and his wife, Doña Josepha de Contreras Salazar. The wedding ceremony took place on February 2, 1648. On February 10, 1686, in Aguascalientes, Sebastiana Pérez, wife of Nicolás López de Lisaldi, was buried... she had no property to bequeath. The following seven offspring have been documented from this marriage:

a) Miguel López de Elizalde. On March 15, 1648, Miguel López de Elizalde was baptized in Aguascalientes, with Martín Pérez Dominguez as godfather.

b) Manuel López de Elizalde. On February 4, 1650, Manuel López de Elizalde was baptized in Aguascalientes, with Gerónimo de Orosco as godfather

c) Beatris López de Elizalde. On May 15, 1652, Beatris López de Elizalde was baptized in Aguascalientes. The godparents were Juan Marín de Peñalosa and Doña Anna Vallín, his wife.

d) María López de Elizalde. On January 31, 1654, María López de Elizalde was baptized in Aguascalientes, being godfather Miguel Lopes de Lisardi.

e) Nicolás López de Elizalde. On August 20, 1656, Nicolás López de Elizalde was baptized in Aguascalientes. With Miguel López de Lisardí as godfather. Nicolás López was buried on February 17, 1683, in Aguascalientes. Elizalde, a bachelor, buried in the parish church, died from a stab wound after there was no time to administer Sacraments.

f) Juan López de Elizalde. On December 1, 1658, Nicolás López de Elizalde was baptized in Aguascalientes. with Juan de Vohórques as godfather.

g) Blas López de Elizalde. On August 20, 1656, Blas López de Elizalde was baptized in Aguascalientes, being godparents Ldo Juan López de Lizaldi Presbitero and María de Xaén.

Likewise, the following information exists: On February 29, 1772, in San Juan de los Lagos, information was presented matrimonial Tomás de Ornelas, son of Joseph de Ornelas and María Gertrudis Valdivia, to marry María Gertrudis Pérez or Romo, natural daughter of María Cecilia Pérez. It was documented that the claimant's mother was the daughter of María Mexía and Cristóbal Pérez, the latter being the son of María Rosa de Rojas and Phelipe Pérez, the latter being the son of the first marriage María López and Juan Pérez. And María López, in her second marriage to Juan de Ornelas, had a son, Marcos. Ornelas married to María de Rosas, parents of the pretender's father. Sacred Mitre of Guadalajara, Microfilm 168045.

Let us also document the marriage of Ju° Pérez de Frías and Ana López, who documented a child: Geronima, daughter

Ju Pérez de Frías and Ana López was confirmed on June 27, 1648 in Teocaltiche, with Bernarda as godmother

Salado (Alonso Matheos' sister-in-law).

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Hello Travis,

I have not found substantiating documents that confirm or deny that Lázaro Ramos is the illegitimate son of Leonor González de Ruvalcaba or the illegitimate son of Felipe de Ruvalcaba (Leonor's brother). The uncertain parentage continued into subsequent generations which we find in the 'dispensa' for Juan de Castañeda and Catarina Ortiz date 11 may 1720:

"México, Jalisco, registros parroquiales, 1590-2022," database with images, FamilySearch (https://familysearch.org/ark:/61903/3:1:9392-D2B5-K?cc=1874591&wc=3JW5-… : 28 July 2026), Guadalajara > Diócesis de Guadalajara > Matrimonios 1705-1720 > image 616 of 630; parroquias Católicas (Catholic Church parishes), Jalisco.

The groom, Juan de Castañeda, 'español' is "originario del puesto del Tecolote, feligresía del pueblo de Nuestra Señora de San Juan y criado desde muy niño en esta feligresía [de Santa María de los Lagos] en la labor de San José de la Mololoa", and the legitimate son of Juan de Castañeda (living at the time in 'la Estanzuela', feligresía de Teocaltiche) and María Burgueño Pérez, deceased.

The bride, Catarina Ortiz, 'mestiza', is "originaria y vecina de la cañada de Patricio", and the legitimate daughter of Cristóbal Ortiz and Juana de Aguirre, 'mestizos'.

The grooms petition is for "segundo con tercero grado o de tercero con cuarto grado que no se sabe ciertamente en el grado legítimo, que sea por ser por linea bastarda". The witnesses are:

1. Sebastián Pérez, "español, vecino de esta feligresía en el puesto de San José de la Mololoa", 'tío carnal' of the groom and 'tío en segundo grado' of the bride, and 66 years old. This is the same Sebastián Pérez from the 1709-1711 documents that you referenced and who in this document also declares that Lázaro Ramos is his step brother, "...Lázaro Ramos, abuelo de la pretensa, y María Pérez Burgueño fueron hermanos..."
2. Diego Pérez, "español, vecino de esta feligresía en el la labor de San José de la Mololoa", brother of Sebastián Pérez, and 48 years old. Diego references the proceedings against his brother Sebastián for an illicit affair (the aforementioned 1709-1711 documents) that based on what was said from those proceedings it was said that Lázaro Ramos is the illegitimate brother of said Sebastián Pérez and therefore his brother also, although he does not know this to be true nor does he recognize him as his brother -  "...y entonces se dijo que Lázaro Ramos, abuelo de la pretensa era hermano del dicho Sebastián Pérez y por el consiguiente, suyo del testigo por linea bastarda, que lo cierto no lo sabe ni que le ha reconocido por tal hermano...". Coincidentally, I am currently researching this Diego Pérez, who appears to be the same Diego who married Teresa Valero (or Ovalle).
3. Felipe Pérez, "español, vecino de esta feligresía en el la labor de San José de la Mololoa", brother of Sebastián and Diego Pérez, 50 years old. In his testimony Felipe provides the basis for the alternate 'tercero con cuarto grado' relationship between the groom and bride, stating that he had heard his mother say that Lázaro Ramos was the son of Felipe de Ruvalcaba, his mother's brother and thus Felipe's first cousin  -  "...le oyo decir a su madre de este testigo que Lázaro Ramos, abuelo de la pretensa Catalina Ortiz, mestiza, como había sido hijo de Felipe de Ruvalcaba, hermano de la dicha su madre y que así se lo decía para que lo tuviera el testigo por su primo hermano..."

Lázaro Ramos also appears in the 1679 'padrón' of the parish of Jalostotitlán under the household of Diego Gómez (presumably the same "Don Diego" that you listed in your post):

Estancia: Diego Gómez, Isabel Barrona, Lázaro de Ramos, María Pérez, Andrés Gómez, María Gómez

Saludos,

Austin Pérez