He sired three children with his second wife. It was in the last quarter of 1898 when Don Diego de la Viña became involved in the revolution. His brother, Dr. Jose de la Viña was one of the delegates to the Malolos Congress. Dr. de la Viña regularly informed Don Diego of the latest development of the Republic government under Gen. Emilio Aguinaldo. Gen. Aguinaldo duly commissioned Don Diego de la Viña with the rank of General de Brigada, Commandante del Ejercito Filipino, Provincia de Negros Oriental. His son was also commissioned Lieutenant Colonel of the Infantry. He secretly trained his peasants how to handle a rifle. He turned their plowshares into bolos, “pinuti, “talibong”, “bahi”, spears and lances. Soon more and more men joined the group of de la Viña. He was soon around riding on a big white spotted horse during the “revolucionario”. De la Viña became known as the “Tigulang or the Grand Old Man”. He was considered a “cacique”, for he had the say in all appointments. He became the judge of local conflicts and designed the improvements for the place (source Negros Historian Prof. Penn Tulabing.Villanueva Larena, MPA a descendant of the Hermoso/ Olladas/ Serion and Bernus Clan an old Spanish family of this Town).