What was the cause of XXX's death?
Geronimo
Geronimo (Mescalero-Chiricahua: Goyaałé (kòjàːɬɛ́) ``the one who yawns''; June 16, 1829 -- February 17, 1909) was a prominent leader of the Bedonkohe Apache who fought against Mexico and Arizona for their expansion into Apache tribal lands for several decades during the Apache Wars.