- b.1030 in Zollern, Wessingen, Hohaenzollern, Prussia
- b.1060 in Zollern, Wessingen, Hohaenzollern, Prussia d.1125
- b.1095 in Zollern, Wessingen, Hohaenzollern, Prussia d.1145
- b.1034 in Urach, Schwazwald, Wuerttemburg
- b.1064 in Urach, Schwazwald, Wuerttemburg d.1134
- b.1158 in Nuremberg, Mittelfranken, Bavaria d.01 Oct 1200
- b.1133 in Zollern, Wessingen, Hohaenzollern, Prussia