Maria Antonia Guajardo was the daughter of Tomas Guajardo and Maria Ignacia Villarreal.
She married Juan Jose Cisneros (Jimenez de Cisneros).
As the widow of the original grantee, she inherited Camargo 79 from Juan Jose Cisneros (Jimenez de Cisneros).
In 1790, she sold Camargo 79 to Manuel Tadeo Chavez de Caballero. The tract was sold in 1784 via extrajudicial deed and formalized in 1790. See Sáenz Ramírez, Protocolos de Camargo p. 178; Seabury and Escobar, Family Tree Book, p. 352.