His father was Joaquin Guajardo, and his mother was Gertrudis Hurtado de Mendoza.
Ramon Guajardo, son of Joaquin Guajardo and Gertrudis Hurtado de Mendoza married Josefa Ayala, daughter of Pedro Leonicio de Ayala and Clara Maria Guerra on 22 Apr 1775 in Monterrey. Marriage source: link.
Maria Josefa Guajardo, born 1792. She married Pedro Saldaña, son of Francisco Saldaña and Maria Ygnes de Peña on 5 May 1808 in Monterrey.