Found this defunto of mulatta Maria Gentridias en Rancho De Los Maderas in 1780 and of Lazaro Madera and Juana Michaela Perales:

http://oi59.tinypic.com/a14mqw.jpg

source:

https://familysearch.org/pal:/MM9.3.1/TH-1-18449-55156-11?cc=1874591&wc…

Who is Lazaro Madera and Juana Michaela Perales? They are the parents of Marcelo Madera that was the owner of Rancho De Los Maderas in the census of 1828:

http://oi57.tinypic.com/s46o0l.jpg

Marcelo Madera and Juana Ramirez are the parents of Benito Madera

Benito Madera and Maria Estanislao Ramirez are the parents of Maria Clemencia Madera

Maria Clemencia Madera is the wife of my Great Grandfather Calixto Madera.

Calixto Madera is the son of Patricio Madera (1792 Ximulco) and Maria Dimas De La Paz. Patricio Madera is the son of Juan Benancio Madera (1762 Rancho De Los Maderas)

Juan Benancio Madera is the son of Francisco Madera and Maria Guizar