- b.~ 1088 in <Of,Hagen,Braunschweig,Germany>
- b.~ 1114 in Of,Hagen,Braunschweig,Germany
- b.~ 1138 in Of,Hagen,Braunschweig,Germany d.1199/1200
- b.~ 1118 in Of,Hagen,Braunschweig,Germany
- b.~ 1158 in Of,Hagen,Braunschweig,Germany
- b.~ 1140 in Of,Hagen,Braunschweig,Germany