Romulo’s father, Gregorio, fought for Philippine independence against Spain and, until surrender, America. He became mayor of Camiling in 1901, and served as governor of Tarlac from 1910 to 1914. Born in 1865 to Don Alberto Romulo and Doña Juana Besacruz in Dagupan, Pangasinan, he studied at Colegio San Juan de Letrán, and died in 1921.