- b.< 1092 in Meissen, Dresden, Saxony d.5 FEB 1156/57 in As a Monk in Monastery of Petersburg near Halle, Germany
- b.~ 1125 in Meissen, Dresden, Saxony d.18 FEB 1189/90
- b.~ 1105 in Swabia, Germany d.19 JAN 1144/45 in Kloster Gerbstedt, Sachsen, Prussia