The Egil's Saga on Arnvid
Chapter 1 - Of Kveldulf and his sons. > Chapter 3 - The beginning of the rule of Harold Fairhair.
- attestation: Arnvid and Solvi formed an alliance and sent messengers to Audbjorn, king of the Firthfolk, to join them
"He and Solvi made a league, and sent messengers to Audbjorn, king of the Firthfolk, that he should come and help them."
Chapter 1 - Of Kveldulf and his sons. > Chapter 4 - Battle of king Harold and Audbjorn.
- attestation: Kings Arnvid and Audbjorn were killed in the battle of Solskel
"Of the Mærian forces fell the kings Arnvid and Audbjorn"
Chapter 1 - Of Kveldulf and his sons. > Chapter 73 - Mission to Vermaland.
- attestation: Earl Arnvid governed Vermaland but tribute was poorly paid after Harold grew old
"when Harold was grown old, then was an earl named Arnvid governor of Vermaland."
Chapter 1 - Of Kveldulf and his sons. > Chapter 77 - Egil gathers tribute.
attestation: Earl Arnvid paid the tribute to Egil in silver and gray fur but claimed previous messengers had taken earlier payments
"the earl said that he had paid out of hand all the tribute, and delivered it into the hands of the king's messengers. 'But I know not,' he said, 'what they have since done with it'"
attestation: Earl Arnvid sent his two brothers both named Ulf with thirty men to ambush and slay Egil's party
"the earl called to him his two brothers, each of whom was named Ulf, and spoke thus: 'That big fellow Egil, who was here for awhile, will, I expect, do us an ill turn'"
Chapter 1 - Of Kveldulf and his sons. > Chapter 78 - Egil and his band slay twenty-five men.
- attribution: Earl Arnvid lamented that the failed ambush would bring the hardest terms from Norway's king
"now when they come west from the wood and tell these tidings to Norway's king, then may we expect from him the very hardest terms."