His father was Juan Jose de la Garza Montemayor, and his mother was Maria Josefa Lopez de Jaen. His father owned land in Casa Blanca grant, Porción 13, Camargo, Porción 15, Camargo, Porción 16, Camargo.
He married Maria Rosa de la Peña, daughter of Jose Ygnacio de la Peña and Dorotea Canales. Her father owned land in Los Magueyes de Palo Blanco grant, Los Olmos y Loma Blanca grant, Brooks County, Los Olmos grant, Brooks County.
Bernardo de la Garza. He married Margarita Garcia, daughter of Hipolito Garcia and Andrea Montalvo. She owned land in Randado grant, Jim Hogg County.