He was born circa 1774. His father was Jose Basilio Saenz, and his mother was Maria Josefa de la Garza. In 1782, he lived in San Nicolas/ Santa Rosalia de la Bonita in household number 137. The church census recorded that he was a child, español, and 8 years old. His household included 5 people.
He married Maria de Jesus Gonzalez, daughter of Alvino Gonzalez and Ana Lucia Salinas on 4 Feb 1799. He was 25 years old, and the bride was 18 years old. Her father owned Porción 20, Mier.