Olof Trätälja

Olof Trätälja (Old Norse: Óláfr trételgja, Swedish: Olof Trätälja, Norwegian: Olav Tretelgja, all meaning Olaf Woodwhittler) was the son of the Swedish king Ingjald illråde, ruler of the House of Yngling in the 7th century according to Ynglingatal, a Skaldic poem detailing the kings of that house.