- b.~ 0914 in Rheinland,Prussia d.~ 0965
- b.~ 0950 in Assen,Drenthe,Netherlands d.> 1026
- b.~ 0920 in Assen,Drenthe,Netherlands
- b.~ 0980 in Assen,Drenthe,Netherlands
- b.~ 1010 in Assen,Drenthe,Netherlands
- b.~ 1041 in Cuijk,Noord-Brabant,Netherlands d.1107
- b.~ 1020 in Eiteren,Utrecht,Netherlands
- d.~ 1108