Alf Collett was a Norwegian

Norway

Norway , officially the Kingdom of Norway, is a Nordic unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, and the Arctic archipelago of Svalbard and Bouvet Island. Norway has a total area of and a population of about 4.9 million...

 writer.

He published many historical and genealogical works, the most important being En gammel Christiania-slægt. Optegnelser om familien Collett og Christianias fortid (1883) and Gamle Christiania-Billeder (1893).

Alf Collett was the second son of Peter Jonas and Camilla Collett

Camilla Collett

Jacobine Camilla Collett was a Norwegian writer, often referred to as the first Norwegian feminist. She was also the younger sister of Norwegian poet Henrik Wergeland, and is recognized as being one of the first contributors to realism in Norwegian literature...

. His maternal uncles included Oscar

Joseph Frantz Oscar Wergeland

Joseph Frantz Oscar Wergeland was a Norwegian military officer, cartographer and skiing pioneer.-Personal life:Wergeland was born in Christianssand and grew up at Eidsvold. He was the son of priest and politician Nicolai Wergeland, and a brother of the poet Henrik Wergeland and feminist writer...

 and Henrik Wergeland

Henrik Wergeland

Henrik Arnold Thaulow Wergeland was a Norwegian writer, most celebrated for his poetry but also a prolific playwright, polemicist, historian, and linguist...

, and his paternal uncles included Peter Severin Steenstrup

Peter Severin Steenstrup

Peter Severin Steenstrup was a Norwegian naval officer and businessperson.He was the son of Constitutional founding father and businessman Poul Steenstrup and Thea Collett....

. He had one older brother Robert

Robert Collett

Robert Collett was a Norwegian zoologist. He worked with vertebrates, primarily fishes. From 1864 he was curator at the Zoological Museum in Oslo. In 1882 he became its director and from 1884 was a professor there...

, a notable zoologist, and two younger brothers. He married Mathilda Sophie Kallevig (1845-1915), but they did not have any children.