She was born circa 1681, and was baptized 2 Apr 1681 in Monterrey. Her father was Miguel Saenz del Valle, and her mother was Antonia Saldivar y Salinas.
She married Juan Rodriguez de Montemayor, son of Diego Rodriguez de Montemayor and Maria Ines de la Garza Gonzalez Hidalgo in 1695. She was 14 years old, and the groom was 27 years old. It was his second marriage.
Juan Diego Rodriguez de Montemayor, born 1718. He married Maria Antonia Saldaña on 12 Feb 1742 in Monterrey.