She was born circa 1739. Her father was Bartolome de Cuellar, and her mother was Gregoria Martinez.
She married Cristobal Javier Baez de Benavides Gutierrez, son of Juan Jose Baez de Benavides Vela and Clara Maria Gutierrez de Lara Renteria on 22 Oct 1753 in Mier. She was 14 years old, and the groom was 38 years old. It was his second marriage.
Maria Magdalena Baez de Benavides. She married Blas Maria Gutierrez de Lara, son of Bernabe Gutierrez de Lara and Antonia de la Garza Falcon.
Maria Tomasa Baez de Benavides, born 1763. She married Jose Joaquin Chapa, son of Jose Florencio Chapa and Margarita de la Peña on 13 Feb 1776 in Revilla.