Helgi and Finnbolgi in "The Saga of the Greenlanders"
Chapter 7
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[...] The same summer that Karlsefni returned from Vinland a ship arrived in Greenland from Norway. The skippers were two brothers, Helgi and Finnbogi, who spent the winter in Greenland. They were Icelanders, from the East Fjords. [...] According to the agreement between Freydis and the two brothers, each was to have thirty fighting men aboard his ship and women in addition. Freydis broke the agreement straight away, however, and took five extra men, concealing them so that the brothers were not aware of them until they had reached Vinland. [...]
649
[...]
Helgi then spoke: 'We brothers will never be a match for your ill-will.' They removed their things and built themselves a longhouse farther from the sea, on the bank of a lake, and settled in well. Freydis had wood cut to make a load for her ship.
When winter came the brothers suggested that they hold games and arrange entertainment. This went on for a while, until disagreements arose. The ill-feelings split the party so that the games ceased and each group kept to its own houses. This continued for much of the winter.