Personal life

He was born in 1821 in Christiania

Oslo

Oslo is a municipality, as well as the capital and most populous city in Norway. As a municipality , it was established on 1 January 1838. Founded around 1048 by King Harald III of Norway, the city was largely destroyed by fire in 1624. The city was moved under the reign of Denmark–Norway's King...

 as the son of jurist and politician Even Hanssen and his wife Barbara Abigael Lange. He had a younger brother Peter Nicolai Freberg Hansen who became a jurist like his father.

In December 1853 he married Lovise Jacobine Lange. She hailed from Arendal

Arendal

is a town and municipality in the county of Aust-Agder, Norway. Arendal belongs to the traditional region of Sørlandet.The town of Arendal is the administrative center the municipality and also of Aust-Agder county...

, and was the daughter of government minister Otto Vincent Lange

Otto Vincent Lange

Otto Vincent Lange was a Norwegian politician.Lange was born in Jevnaker, but moved to Arendal. He worked as a school teacher, and helped found the local library and museum in 1832. In 1833 he was elected to the Norwegian Parliament for the first time. He then changed his civil job to that of...

 and Anne Nicoline Aall. Anne Nicoline Aall was the daughter of Jacob Aall and niece of Jørgen

Jørgen Aall

Jørgen Aall was a Norwegian ship-owner and politician.-Personal life:Jørgen Aall was born in 1771 as the second son of Nicolai Benjamin Aall and Amborg Jørgensdatter , née Wesseltoft. In total he had three brothers and three sisters...

 and Niels Aall. All these people were influential politicians. Furthermore, Otto Vincent Lange was a maternal uncle of Johan Jørgen Lange Hanssen, and as such Johan Jørgen was married to his first cousin. Additionally, the maternal uncles Hans Nicolai

Hans Nicolai Lange

Hans Nicolai Lange was a Norwegian priest and politician.Born in Jevnaker to Johan Jørgen Lange and Dorothea Helena Larsen, he was the older brother of politicians Otto Vincent and Ulrik Frederik Lange, brother-in-law of Nils Landmark and Even Hanssen and uncle of Johan Jørgen Lange Hanssen.In...

 and Ulrik Frederik

Ulrik Frederik Lange

Ulrik Frederik Lange was a Norwegian politician.He was elected to the Norwegian Parliament in 1842 and 1845, while working as a headmaster in Tromsøe. He was then elected three more times, in 1854, 1857 and 1859, from the constituency Lillehammer og Hamar. He worked as a school principal there...

 were involved in politics; so was priest Nils Landmark

Nils Landmark

Nils L. Landmark was a Norwegian jurist, farmer and politician.-Personal life:He was born in Christiania to Nils Svensson and Karen Andersdatter Killerud. Contrary to some sources, he was not born with the name Landmark, but took the name as a grown-up...

 who was married to a Johan Jørgen's maternal aunt Christiane Wilhelmine.

Career

Johan Jørgen Lange Hanssen moved to Arendal and became director of an insurance company, as well as of the local savings bank.

He was elected to the Norwegian Parliament in 1874, representing the urban constituency of Arendal og Grimstad. He served only one term.

In the 1865 census his household were registered as having at least three servants.