She was born circa 1775. Her father was Jose Antonio Bazan, and her mother was Maria Antonia Margarita Vela. In 1782, she lived in Mier in household number 52. The church census recorded that she was a child, española. Her household included 5 people. In 1791, she lived in Mier in household number 63. The church census recorded that she was an unmarried girl, casta, and 16 years old. Her household included 4 people.