She was born 23 Jan 1772. Her father was Antonio Montalvo, and her mother was Maria Petra Salinas. Her father owned Porción 54, Mier. In 1782, she lived in Las Jaras in household number 108. The church census recorded that she was a child, española. Her household included 14 people.
She married Jose Felipe Saenz, son of Marcelino Saenz and Margarita Almaraz on 24 Feb 1789. She was 17 years old, and the groom was 19 years old. His father owned Porción 25, Mier.