He was born circa 1851, and was baptized 30 Jul 1851 in San Antonio. His father was Francisco Casas, and his mother was Josefa Nombraña. His padrino was Ricardo Hernandez, and his madrina was Ignacia Casas. He was a natural child.
He married Concepcion Diaz, daughter of Canuto Diaz and Margarita Zamora on 20 Feb 1871 in Espada. He was 20 years old. Their padrino was Jose de Jesus Sacramento Treviño, and their madrina was Juana Nuncio. Marriage entry in Losoya.