Juan Fernandez de Castro

He married Mayor de Renteria, daughter of Martin de Renteria.

_ Fernandez de Castro. She married Alonso Lopez de Baena.

Juan (el Mozo) Fernandez de Castro.

Elvira de Renteria. She married Diego (el Mozo) de Montemayor, son of Diego de Montemayor and Maria de Esquivel. Her husband died before 23 Jun 1614. He was 54 years old.

Leonor de Renteria. She married Antonio de Leyva.

Gonzalo Fernandez de Castro, born 1600. He married Maria Rodriguez, daughter of Capt. Diego Rodriguez and Sebastiana de Treviño.