Her mother was Juliana de las Casas.
She married Gabriel de la Garza, son of Capt. Francisco de la Garza Falcon and Juana Garcia Gutierrez. It was his third marriage.
Francisco de la Garza. In 1692, he requested a dispensation to marry Margarita Fernandez de Tijerina, daughter of Gregorio Fernandez de Tijerina and Beatriz Gonzalez.
Bernabe de la Garza. In 1706, he requested a dispensation to marry Beatriz de Villarreal, daughter of Francisco de Villarreal and Ursula de Saldivar [Urrutia]. In 1698, he requested a dispensation to marry Ana Nicolasa Gonzalez de Quintanilla, daughter of Bartolome Gonzalez de Quintanilla and Nicolasa Fernandez de Tijerina. He married Josefa Mascorro.