Her father was Francisco Cantu, and her mother was Beatriz de Villarreal. She was a natural child. In 1750, she lived in Camargo. The census recorded that she was the wife of a settler, and española. Her household had 5 people, and they did not receive government aid to move to the colony.
In 1729, she requested a dispensation to marry Francisco de la Garza. Dispensation source: Guerra, et. al., Index to the Marriage Investigations of the Diocese of Guadalajara, p.175.
Justa de la Garza, born 1738. She married Eugenio Rodriguez in 1750.
Maria Gertrudis de la Garza, born 1740.
Gabriel de la Garza, born 1745.