Her father was Teodoro de la Garza, and her mother was Maria Gonzalez de Quintanilla.
She married Vicente Guerra Cañamar, son of Juan Guerra Cañamar and Elena Cavazos. Her husband died before 1753. He was 48 years old.
Maria Dominga Guerra. She married Joseph Cayetano Canales, son of Joseph Canales and Antonia Rafela del Bosque.