Complex sentence: A firm ally of Bernardo O'Higgins, he was exiled to Argentina by José Miguel Carrera, where he died in Buenos Aires in later 1814, after a duel with Luis Carrera.
Split into simpler sentences: A firm ally of Bernardo O'Higgins, he was exiled to Argentina by José Miguel Carrera. He died in Buenos Aires in later 1814, after a duel with Luis Carrera.