Juan Fermín de San Martín
Juan Fermín Rafael de San Martín y Matorras (Governorate of the Río de la Plata, Viceroyalty of Peru - February 5, 1774 - Manila, Philippines, July 17, 1822) was a Spanish soldier, and a brother of José de San Martín who was the leader of the Argentine War of Independence, who served and lived much of his life in the Philippines.