Very good Sarah!
I only see one grammatical mistake.
"þaðan er kominn inn mesti kynþáttr Færeyinga"
> From there came most of the clan of the Faroese
The 'mesti' here means 'the greatest' rather than 'most of'.
"thence is come the greatest clan of the Faroese"
I might also point out that the nominative forms
'Ólöf' and 'Götuskeggjar' are the correct ones.
Hope you'll stay with us!
Kveðja,
Haukur