My grandfather Fernando Llera Mateos was a member of the Mexican Armed Forces during the 1910 Mexican Revolution which ended in 1920. He was awarded a lifelong pension for his services during the conflict. Born in 1899 in Jalapa, Veracruz, he married Raquel Pensado and had a son, named Isidoro. He was a customs inspector at Mexico's General Directorate of Customs until his passing. He died of a stroke on December 9, 1956 at age 57.

