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Facts and Events
References
- ↑ UHTRED, in Cawley, Charles. Medieval Lands: A prosopography of medieval European noble and royal families.
- Sigen 1 (Female), in The Prosopography of Anglo-Saxon England.
- Symeon of Durham, and Thomas Arnold (ed.). Symeonis monachi opera omnia: Historia Ecclesiae Dunhelmensis. (London: Longman & Co., 1882)
1:216.
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