Three factors are important: the later myth surrounding his role in the Christianisation of Norway, the various dynastic relationships among the ruling families, and the need for legitimisation in a later period.
Tiga faktor penting: mitos selanjutnya seputar perannya dalam Kristenisasi Norwegia, berbagai hubungan dinasti di antara keluarga penguasa, dan kebutuhan melegitimasi pada periode selanjutnya.