His father was Juan de la Garza, and his mother was Maria Gertrudis Chapa. His father owned land in Porción 23, Mier.
He married Maria Josefa Lopez de Jaen, daughter of Jose Benito Lopez and Maria Josefa Cano. Her father owned land in Porción 15, Camargo.
Sabas de la Garza. He married Maria Rosa de la Peña, daughter of Jose Ygnacio de la Peña and Dorotea Canales.
He purchased Camargo 15 from Jose Benito Lopez de Jaen.
He purchased Camargo 16 from the heirs of Jose Francisco Lopez de Jaen.
In 1800, he purchased Camargo 13 from the heirs of Bernardo Gomez de Castro.
In 1806, he was granted Casa Blanca by the King of Spain.