Anglo-Saxon Chronicle. 786. This year King Bertric took [his future wife] Edburga the daughter of Offa to wife. And in his days came first three ships of the Northmen from the land of robbers. The reve30 then rode thereto, and would drive them to the king's town; for he knew not what they were; and there was he slain. These were the first ships of the Danish men that sought the land of the English nation.
Note 30. Since called "sheriff"; i.e. the reve, or steward, of the shire. "Exactor regis".—Ethelw.
Anglo-Saxon Chronicle. 786. This year Cyneard slew King Cynewulf, and was slain himself, and eighty-four men with him. Then Bertric undertook the government of the West-Saxons, and reigned sixteen years. His body is deposited at Wareham [Map]; and his pedigree goeth in a direct line to Cerdic. At this time reigned Elmund king in Kent, the father of Egbert (age 13); and Egbert was the father of Athulf.
Anglo-Saxon Chronicle. 800. This year was the moon eclipsed, at eight in the evening, on the seventeenth day before the calends of February; and soon after died King Bertric and Alderman Worr. Egbert (age 27) succeeded to the West-Saxon kingdom; and the same day Ethelmund, alderman of the Wiccians, rode over the Thames at Kempsford; where he was met by Alderman Woxtan, with the men of Wiltshire, and a terrible conflict ensued, in which both the commanders were slain, but the men of Wiltshire obtained the victory.
In 802 [his wife] Queen Eadburga of Wessex died.
In 802 King Beorhtric of Wessex died. He, apparently, accidentally killed by his wife [his wife] Queen Eadburga of Wessex who had intended to kill another.
Anglo-Saxon Chronicle. 839. Text 836AD. This year died King Egbert (age 66). Him [his former father-in-law] Offa, King of Mercia, and Bertric, the West-Saxon king, drove out of England into France three years before he was king. Bertric assisted Offa because he had married his [his former wife] daughter. Egbert (age 66) having afterwards returned, reigned thirty-seven winters and seven months. Then Ethelwulf, the son of Egbert, succeeded to the West-Saxon kingdom; and he gave his son Athelstan the kingdom of Kent, and of Essex, and of Surrey, and of Sussex.