- b.~ 0958 in Ballenstedt, Anhalt, Germany
- b.~ 0983 in Ballenstedt, Anhalt, Germany
- b.~ 0960 in Oldenburg, Saxony, Germany
- b.~ 1013 in Ballenstedt, Anhalt, Germany d.1059
- b.0987 in Ghorlitz, Silesia, Germany
- b.~ 1030
- b.~ 1010 in Werl, Nordrhein-Westfalen, Germany d.1077
- d.< 1187