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| | Olaf Cuaran - Wikipedia, the free encyclopedia |
 | | Sigtrygg Caech, Olaf's father, ruled Deira, a part of Northumbria, until his death in 927. |
 | | She was mother of his successor, Sigtrygg Silkbeard. |
 | | Athelstan died in 939 and Olaf Guthfrithson, king of Dublin at the time, invaded Northumbria and compelled Edmund, Athelstan's successor, to surrender Deira. |
| en.wikipedia.org /wiki/Olaf_Cuaran (248 words) |
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