-Yes, date unknown
Abt 1029-Yes, date unknown
Abt 1036-Yes, date unknown
Abt 1039-1066
Abt 1007-Yes, date unknown
Abt 997-Yes, date unknown
Bef 1137-1175
1080-1141
Abt 1105-Yes, date unknown
-1131
Abt 980-1067
985-Yes, date unknown
-Aft 1056