Background
He was born in Vang, Hedmark, a son of Hans Blom Cappelen (1879–1965) and a brother of Andreas Zeier Cappelen.
He was born in Vang, Hedmark, a son of Hans Blom Cappelen (1879–1965) and a brother of Andreas Zeier Cappelen.
He served as Norwegian ambassador to Brazil from 1960, and later to Iceland and Bulgaria/Yugoslavia.
The brothers were members of Mot Dag in the 1930s.