Abt 935-980
Abt 940-Yes, date unknown
Abt 970-Yes, date unknown
Abt 985-Yes, date unknown
Abt 980-Yes, date unknown
Abt 1040-Yes, date unknown
Abt 1044-Yes, date unknown
Abt 1044-1105
Abt 1046-Yes, date unknown
Abt 1048-Yes, date unknown
Abt 980-Aft 1070
Abt 1020-Aft 1079
Abt 958-Yes, date unknown
Abt 940-1037
Abt 883-940
Abt 887-Yes, date unknown
Abt 916-Yes, date unknown