His father was Andres Hernandez, and his mother was Juana de Hoyos.
He married Rosalia Montes de Oca.
Maria Marcela Clemencia Hernandez. She married Juan Ygnacio Perez, son of Domingo Perez and Maria Concepcion de Carvajal in 1781. Her husband died on 7 Oct 1823 in Purisima Concepcion Chapel. He was 67 years old.