His father was Joseph Cantu, and his mother was Maria de Treviño.
He married Tomasa Garcia Davila.
He married Margarita de la Garza (Garcia Davila), daughter of Pedro Garcia de Avila and Margarita Cavazos de la Garza. It was his second marriage, and her second marriage.
Teresa Cantu. She married Lucas Leal de Leon, son of Antonio Leal de Leon and Juana Josefa Gonzalez Hidalgo.