Her father was Gabriel Cavazos, and her mother was Isabel de la Garza.
She married Pedro Rodriguez de Montemayor, son of Miguel Rodriguez de Montemayor and Josefa de la Garza.
In 1749, she requested a dispensation to marry Blas Joseph de Treviño. It was her second marriage. Dispensation source: Guerra, et. al., Index to the Marriage Investigations of the Diocese of Guadalajara, p.119.