Assertion: raven's life | /r/CreatedBy | a monk of crowland abbey
Facets:
Source sentences:
text: The Lives of Waltheof and his Father Sivard Digri (The Stout), the Earl of Northumberland, written by a monk of Crowland Abbey (possibly the English historian William of Ramsey), reports that the Danish jarl of Northumbria, Sigurd, was given a banner by an unidentified old sage.