 The legend behind the Bisha'a goes back to a man of great powers named "Weymer abu Ayad" of the "Sultani" branch of the Ayayideh tribe of the Qahtan confederation of Bedouins in southern Saudi Arabia.Many Mubesha claim to be able to trace their heritage to the tribe of Ayayideh.Weymer was a tracker but was robbed of a personal possession.