Background
Børretzen was born in Enge in Etne, Hordaland County, Norway, the son of Vilhelm Severin Børretzen and Sigrid Børretzen.
Børretzen was born in Enge in Etne, Hordaland County, Norway, the son of Vilhelm Severin Børretzen and Sigrid Børretzen.
He translated hymns into Sami, and is represented by a hymn he translated in the church hymnals Norsk Salmebok (Norwegian Hymn Book) and Salmer 1997 (Hymns 1997). He also published the volume Liten samisk grammatikk (Little Sami Grammar) in 1966.
He was the secretary of Norwegian Sami Mission (Norwegian: Norges Finnemisjonsselskap, since 1966 the Norges Samemisjon) and a member of the hymnal commission for the Sami hymnal Gir"ko-sál"bmagirji, which was published in 1957.