Maria Josefa de la Garza was the daughter of Juan de la Garza Saldivar and Maria Cayetana Flores de Valdez.
She requested a dispensation to marry Pedro Regalado de la Garza in 1733. Dispensation source: Guerra et al., Index to the Marriage Investigations of the Diocese of Guadalajara, p.262.
Maria Catarina de la Garza married Joseph Javier de Treviño.