SALIH AYYUB, AS-

died 1249 in full Al-malik As-salih Najm Ad-din Ayyub last effective ruler (reigned 1239 and 124549) of the Ayyubid dynasty in Egypt. As-Salih's campaign against the crusader kingdom of Jerusalem in alliance with the Khwarezmians (1244) provoked the launching of the Seventh Crusade under Louis IX of France. As-Salih died during Louis's subsequent invasion of Egypt. The Mamluk mercenaries to whom he had given extensive power overthrew his dynasty in 1250.