Olaf, a son of Gudbrand Skafhaug, and Maria, a daughter of King Eystein
Magnuson, were brought up in the house of Sigurd Agnhot in the Uplands.
While Earl Erling was in Denmark (A.D. 1166), Olaf and his foster-father
gathered a troop together, and many Upland people joined them; and Olaf
was chosen king by them. They went with their bands through the
Uplands, and sometimes down to Viken, and sometimes east to the forest
settlements; but never came on board of ships. Now when, Earl Erling got
news of this troop, he hastened to Viken with his forces; and was there
in summer in his ships, and in Oslo in autumn (A.D. 1167) and kept Yule
there. He had spies up the country after this troop, and went himself,
along with Orm, the King-brother, up the country to follow them. Now
when they came to a lake called.... .... (1) they took all the vessels
that were upon the lake.
ENDNOTES: (1) The name of the lake not given.