Mariana de Hermúa y Mendez de Contreras

Mariana de's father was Sancho Juan de Hermúa and her mother was Marcela Mendez de Contreras y Mondragón.  Her maternal grandparents were Antonio Mendez de Contreras and Baltasara de Mondragon.  She was an only child.

They had a son and a daughter, named Juan de Dios and Monica Teresa.