His father was Antonio Montalvo, and his mother was Maria Petra Salinas. His father owned land in Porción 54, Mier. In 1782, he lived in Las Jaras in household number 108. The church census recorded that he was a young child, español. His household included 14 people.
He married Maria Encarnacion Guerra Cañamar, daughter of Juan Manuel Guerra Cañamar and Maria Isabel Treviño on 17 Feb 1806. the bride was 18 years old.
Andrea Montalvo. She married Hipolito Garcia, son of Victoriano Garcia and Rafaela Salinas. He owned land in Randado grant, Jim Hogg County.
In 1830, he was granted Las Vivoritas by the State of Tamaulipas.