Godfrey of Bouillon
Under Ida van Bonen, the mother of Godfrey of Bouillon and Boudewijn I of Jerusalem, around the middle of the 11th century, the abbey of Munsterbilzen received a large number of bequests, among others in Bilzen, Riemst, Waltwilder, Martenslinde, Gellik, Eigenbilzen, and Rijkhoven.