He was born circa 1586. His father was Alberto del Canto, and his mother was Estefana de Montemayor y Porcallo.
He married Monica Rodriguez Treviño, daughter of Capt. Diego Rodriguez and Sebastiana de Treviño.
Maria de Montemayor. She married Juan Maldonado.
Juana de Montemayor. She married Andres de Charles, son of Bartolome de Charles.
Petronila de Montemayor. She married Lazaro de la Garza , son of Capt. Blas Maria de la Garza Falcon Treviño and Beatriz Gonzalez Hidalgo Navarro.
Maria de Montemayor. She married Antonio de Morales, son of Luis de Morales and Juana de Treviño Salazar.
Bernarda de Montemayor. She married Antonio Cavazos de la Garza, son of Capt. Juan Cavazos del Campo and Elena de la Garza.
Mateo de Rodriguez de Montemayor. He married Leonor (Juana) Fernandez de Tijerina, daughter of Gregorio Fernandez de Tijerina and Beatriz Gonzalez.
Inez Rodriguez de Montemayor. She married Diego Ayala y Ovalle, son of Diego de Ayala Treviño and Ana de Ovalle.
Diego Rodriguez de Montemayor. He married Maria Inez de la Garza Gonzalez Hidalgo , daughter of Capt. Blas Maria de la Garza Falcon Treviño and Beatriz Gonzalez Hidalgo Navarro in Monterrey.
Juan Francisco Rodriguez de Montemayor. He married Ramona de Ayala y Ovalle, daughter of Diego de Ayala Treviño and Ana de Ovalle. He married Beatriz de la Cadena.
Alcalde ordinario, teniente de justicia mayor, y capitan a guerra, Monterrey, 1619. Wrote a will in 1643
He died in Monterrey.