Maria Guadalupe de la Garza was the daughter of Juan de Dios de la Garza and Juana de Treviño.
She requested a dispensation to marry Francisco Javier Perez de la Garza in 1730. Dispensation source: Guerra et al., Index to the Marriage Investigations of the Diocese of Guadalajara, p.89.
Maria Josefa de la Garza married Joseph Francisco Treviño.