Lucia de Querejazu y Gorostiza

Lucia de's father was Cristobal de Querejazu y Mandiola and her mother was Polonia de Gorostiza Zañartu.  Her paternal grandparents were Juan de Querejazu and Juliana Mandiola; her maternal grandparents were Bartolome Gorostiza and Elena de Zañartu.  She was an only child.

They had a daughter named Antonia de.