Background
He was born in Kristiania as the only son of banker Nicolay August Andresen (1812–1894) and Nilsine Augusta Butenschøn (1818–1842). He was a grandson of Nicolai Andresen and grandnephew of Johan Henrik Andresen.
He was born in Kristiania as the only son of banker Nicolay August Andresen (1812–1894) and Nilsine Augusta Butenschøn (1818–1842). He was a grandson of Nicolai Andresen and grandnephew of Johan Henrik Andresen.
Butenschøn spent his career as a chief executive in the bank, and also served as a consul general.