He was born in 1774 as the son of wealthy businessman Daniel Isaachsen[1] and his first wife Christiane Hedvig Christensen.
He married a Hedevig Elisabeth Hansen.
He was the brother of Peder and Daniel Otto Isaachsen.
[1] He was elected to the Norwegian Parliament in 1818, representing the constituency of Lister og Mandals Amt.
This article about a Norwegian politician born in the 1770s is a stub.