Diego de Montemayor was born circa 1530, the son of Juan Montemayor.
He married Ines Rodriguez.
He married Maria de Esquivel.
He married Juana Porcallo de la Cerda in 1571.
Inez Rodriguez de Montemayor was born circa 1549. She married Baltasar Castaño de Sosa.
Diego (el Mozo) de Montemayor was born circa 1560. He married Elvira de Renteria.
Estefana de Montemayor y Porcallo was born circa 1572. She married Alberto Canto, del.