His father was Juan de la Garza, and his mother was Maria Gertrudis Chapa. His father owned Mier 23 grant.
He married Maria Josefa Lopez de Jaen, daughter of Jose Benito Lopez and Maria Josefa Cano. Her father owned Camargo 15 grant.
He purchased Camargo 15 from Jose Benito Lopez de Jaen.
He purchased Camargo 16 from Jose Francisco Lopez de Jaen. Sold by the heirs of the original grantee.
In 1800, he purchased Camargo 13 from Bernardo Gomez de Castro. Sold by the heirs of the original grantee.