IJSBRAND van Egmond . Beke's Egmondsch Necrologium records that "dominus Walterus de Egmonda" was killed "XX die Augusti cum filio suo Wilhelmo…a Frisonibus" in 1272, adding that he was father of "IJsbrandi monachi Egmundensis et Walteri prededentis et domini Arnoldi"[434]. Monk at Egmond.
