The Egil's Saga on Atli the Slim
Chapter 1 - Of Kveldulf and his sons. > Chapter 2 - Of Aulvir Hnuf.
relationship: Earl Atli the Slim dwelt at Gaula and had sons Hallstein, Holmstein, and Herstein, and a daughter Solveig the Fair
"Atli the Slim was then an earl, he dwelt at Gaula; he had sons - Hallstein, Holmstein, and Herstein; and a daughter, Solveig the Fair."
attestation: Earl Atli rejected Aulvir Hnuf's marriage proposal for Solveig, considering him an unequal match
"the earl thought him an unequal match and would not give her"
Chapter 1 - Of Kveldulf and his sons. > Chapter 4 - Battle of king Harold and Audbjorn.
- attestation: Atli's sons attacked Aulvir Hnuf at his home, forcing him to flee north to Harold in Maera
"the sons of Atli set on Aulvir Hnuf at his home, and would fain have slain him. They had such a force that Aulvir could not withstand them, but fled for his life."