He was born circa 1746. His father was Francisco de la Garza. He was an adopted child. In 1782, he lived in Miguel Perez in household number 149. The church census recorded that he was married, indio, and 36 years old. His household included 5 people.
He married Maria Josefa Moreno, daughter of Antonio Moreno and Juana Casas on 1 Jul 1772 in Mier. He was 26 years old, a native of Camargo, and the bride was 11 years old. The priest recorded his race as indio, and his wife's race as mulata. Marriage source: link.