__ | __| | | | |__ | _Egilmar I OLDENBURG _| | (1040 - 1112) | | | __ | | | | |__| | | | |__ | | |--Johann OLDENBURG | (1064 - ....) | __ | | | __| | | | | | |__ | | |_Richenza VON STADE __| (1044 - 1106) | | __ | | |__| | |__