Her father was Joseph Cavazos, and her mother was Jacinta de la Cerda (Fernandez de Castro).
She married Andres Lozano, son of Pedro Lozano Urquizu and Mariana de la Garza de la Rocha. Her husband died on 16 Jun 1741. He was 59 years old.
Joseph Antonio Lozano. In 1757, he requested a dispensation to marry Maria Gertrudis de Ayala.