 It was Joinville who advised the king to stay in the Holy Land instead of returning immediately to France as the other lords had wanted; the king followed Joinville's advice.During the following four years spent in the Holy Land Joinville was the constant advisor to the king, who knew that he could count on Joinville's frankness and absolute devotion.In 1270, Louis IX, although very weakened physically, undertook a new crusade with his three sons.