Gonzalo Fernandez de Castro was born circa 1600, the son of Juan Fernandez de Castro and Mayor de Renteria.
He married Maria Rodriguez.
Diego Fernandez de Castro married Maria de la Cerda, Ana Maria de los Santos Coy.
Lazaro Fernandez de Castro.
Clara de Renteria married Sgt. Mag. Jacinto Garcia de Sepulveda.
Maria Mayor Fernandez de Renteria was born circa 1621. She married Alonso de Treviño.