Waltheof I was the earl of Northumbria (963-995), the son and successor of Osulf I. Events By Place Asia Turkish Khan Sebük Tigin establishes his empire in modern day Afghanistan. Events By Place Europe Erik Segersäll is succeeded by Olof Skötkonung, the first baptized ruler of Sweden (see Osulf I (d 963 was Earl of Bernicia from 930 and of all Northumbria from 954 until his death His name is Scandinavian and implies that he had Viking ancestors. It remained in his family when Earl Siward married his great-granddaughter and named his son Waltheof. Sigurd Björnsson, also known as Siward the Dane (died 1055 was an English nobleman in the eleventh century and the Earl of Northumbria. This son of Siward became Waltheof II, Earl of Northumbria. Nothing is known about Waltheof I's reign, despite its length.
| Regnal titles | ||
|---|---|---|
| Preceded by Osulf I |
Earl of Northumbria 963–995 |
Succeeded by Uhtred the Bold |