The Grettir's Saga on Haf
The Saga Of Grettir The Strong > Chapter Lxxii. Grettir Visits The Thing At Hegranes
attestation: Haf son of Thorarin son of Haf son of Thord Knapp, who settled between Stifla and Tungua, lived at Knappsstad
"one Haf the son of Thorin, the son of Haf, the son of Thord Knapp, who had settled in the land between Stifla in Fljot and Tungua. He lived at Knappsstad"
attestation: Haf was foremost in urging that peace be granted to Grettir at the Hegranes Thing
"The man who was foremost in urging that peace should be given was one Haf"
attestation: Haf looked foolish when Grettir revealed himself, having just proposed peace for the stranger
"All were silent and Haf looked foolish."