He was born circa 1712. His father was Gov. Gen Blas de la Garza Falcon, and his mother was Beatriz de Villarreal.
He married Maria Catarina Gomez de Castro, daughter of Antonio Gomez de Castro and Maria Nicolasa Treviño.
He married Josefa de los Santos Coy, daughter of Nicolas de los Santos Coy and Ana Maria Guerra. It was his second marriage. She owned Camargo 60 (tract). Her mother owned Camargo 59 grant.
Maria Gertrudis de la Garza Falcon, born 1734. She married Salvador de la Garza, son of Jose Adriano de la Garza and Maria de Elizondo.
Jose Antonio de la Garza Falcon, born 1738. He married Leonor Mendez. He owned Camargo 80 (tract).
Juan Jose de la Garza Falcon, born 1740. He married Candida Francisca Guerra, daughter of Francisco Guerra and Ana Josefa de la Garza. He owned Camargo 81 (tract).
Blas de la Garza Falcon, head of household, captain
Josefa de los Santos Coy, wife
Maria Gertrudis de la Garza Falcon, daughter, 16 years old
Jose Antonio de la Garza Falcon, son, 12 years old
Juan Jose de la Garza Falcon, son, 9 years old
Capt. of Camargo
He died in 1767. He was 55 years old.