His father was Miguel de la Garza Falcon, and his mother was Gertrudis de Renteria.
In 1698, he requested a dispensation to marry **Maria Gonzalez **. Dispensation source: Guerra, et. al., Index to the Marriage Investigations of the Diocese of Guadalajara, p.30.
In 1708, he requested a dispensation to marry Isabel de Uribe. It was his second marriage, and her second marriage. Dispensation source: Guerra, et. al., Index to the Marriage Investigations of the Diocese of Guadalajara, p.206.
Maria Gertrudis de la Garza. In 1728, she requested a dispensation to marry Joseph Antonio Guerra.
Clara de la Garza. In 1729, she requested a dispensation to marry Joseph Perez de Leon.