Her father was Francisco Cantu, and her mother was Beatriz de Villarreal. She was a natural child.
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.
Francisco de la Garza, head of household, español
Maria Josefa Cantu, wife, española
Justa de la Garza, daughter, española, 12 years old
Maria Gertrudis de la Garza, daughter, española, 10 years old
Gabriel de la Garza, son, español, 5 years old