She was born circa 1736. Her father was Juan Francisco Javier Rodriguez de Montemayor, and her mother was Josefa de Moya.
She married Jose Eusebio Leonardo Caballero de los Olivos, son of Lucas Caballero de los Olivos and Maria Teodora Ballesteros on 25 Feb 1754 in Guajuco. She was 18 years old, and the groom was 34 years old.
Maria Josefa Caballero de los Olivos, baptized 29 Mar 1757 in Guajuco. She married Jose Antonio de los Reyes Perez de Leon.