His father was Miguel de Montemayor, and his mother was Monica Rodriguez Treviño.
He married Leonor (Juana) Fernandez de Tijerina, daughter of Gregorio Fernandez de Tijerina and Beatriz Gonzalez.
Petronila Rodriguez. She married Tomas (el mozo) Garcia de Quintanilla, son of Diego Garcia de Quintanilla and Mariana Saldivar de Sosa.
Beatriz Rodriguez de Montemayor. She married Miguel Perez de Leon, son of Lorenzo Perez de Leon and Ana Maria Cantu del Rio y de la Cerda in 1705. Her husband died before 26 Apr 1729. He was 60 years old.
Matiana (Leonor) Rodriguez. She married Alonso de Saldivar.
Manuel Rodriguez. He married Maria de Saldivar.
Santiago Rodriguez. He married Mariana Guajardo. He married Josefa Guerra.