Background
He was the son of Constitutional founding father and businessman Poul Steenstrup and Thea Collett.
Businessman captain naval officer
He was the son of Constitutional founding father and businessman Poul Steenstrup and Thea Collett.
He served as captain of the paddle steamer Steamship Constitutionen, the first steamship of Norway. Steenstrup was a Lieutenant Commander in the Royal Norwegian Navy, and founded the shipbuilding company Akers Mekaniske Verksted in Christiania. He was one of the founders of the Norwegian Polytechnic Society, and was its chairman from 1853 to 1854.
In addition she was the sister of Peter Jonas Collett, and as such sister-in-law of writer Camilla Collett.
Their son Peter Steenstrup became a military officer as well. Peter Severin Steenstrup was buried at the Vår Frelsers gravlund.
A street in Oslo, Steenstrups gate was named for him.