Her father was Luis de Arispe, and her mother was Maria Juana Rodriguez.
Jose Simon Saldaña, son of Jose Manuel Saldaña and Maria Catarina Petra de la Peña married Maria Gertrudis de Arispe, daughter of Luis de Arispe and Maria Juana Rodriguez on 11 Sep 1799 in Monterrey. The groom was 25 years old. Marriage source: link.