Career
He is the protagonist of Hallfreðar saga according to which he was the court poet first of Hákon Sigurðarson, then of Óláfr Tryggvason and finally of Eiríkr Hákonarson. A significant amount of poetry by Hallfreðr has been preserved, primarily in Hallfreðar saga and the kings" sagas but a few fragments are also quoted in Skáldskaparmál. The following is an example.
The Bergsbók manuscript attributes an Óláfsdrápa Tryggvasonar to Hallfreðr but this attribution is rejected by modern scholars.