Gaston IV of Béarn
…for Godfrey of Bouillon and marched with him to Jerusalem. Gaston and Tancred were sent ahead of the main army to occupy Bethlehem, and during the siege of Jerusalem of 1099, Gaston was in charge of Godfrey's siege engines. On July 15, 1099, Gaston was among the many crusaders that entered the city. Gaston's experience…