Her father was Miguel de la Garza Falcon, and her mother was Gertrudis de Renteria.
In 1692, she requested a dispensation to marry Juan de Villarreal. Dispensation source: Guerra, et. al., Index to the Marriage Investigations of the Diocese of Guadalajara, p.30.
She married Pedro de Elizondo, son of Francisco de Elizondo and Beatriz Gonzalez de Paredes. It was her second marriage. Her husband died on 30 Jul 1749 in Monterrey. He was 68 years old.