- b.~ 1152 in Horn,Limburg,Netherlands
- b.~ 1178 in Horn,Limburg,Netherlands d.1240
- b.~ 1156 in Horn,Limburg,Netherlands
- b.~ 1199 in Horn,Limburg,Netherlands
- b.1156 in Altena,Westfalen,Prussia
- b.~ 1182 in Slot Altena,Almkerk,Noord Brabant,Netherlands
- b.~ 1160 in Altena,Westfalen,Prussia