His father was Miguel de Montemayor, and his mother was Monica Rodriguez Treviño.
He married Ramona de Ayala y Ovalle, daughter of Diego de Ayala Treviño and Ana de Ovalle.
He married Beatriz de la Cadena. It was his second marriage.
Juan Rodriguez de Montemayor. He married Maria Antonia Martinez.
Rosa Maria Rodriguez de Montemayor. She married Manuel Joseph Ruiz de Ocon.
Francisca Rodriguez de Montemayor. She married Nicolas de Marroquin.