Adaldag (c. 900 - 28 April 988) was a seventh archbishop of Hamburg-Bremen from 937 until his death. He was of noble birth, a relation and pupil of Bishop Adalward of Verden and became canon of Hildesheim. Otto I made him his chancellor and notary immediately after his accession, and on the death of Archbishop Unni of Bremen in 936 nominated him to the vacant see. None of the early incumbents of the see ruled so long a time; and none did so much for the diocese, … Wikipedia
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