He was born circa 1770. His father was Juan Jose de la Garza Falcon, and his mother was Candida Francisca Guerra. His father owned Porción 81, Camargo. In 1782, he lived in Mier in household number 34. The church census recorded that he was a child, español. His household included 9 people. In 1791, he lived in Mier in household number 29. The church census recorded that he was single, español, and 21 years old. His household included 10 people.