Anthony Coucheron

Anthony Coucheron played a major role in fortification of the border, both in Norway and Denmark in addition, he participated with honor in combat during the Gyldenløve War.

[2] In 1673 Anthony Coucheron was sent as lieutenant (in Norwegian løytnant) to Kongsvinger Fortress in Elverum to prepare plans for expansion of the existing fortification.

He served in his father's regiment as captain, from 1677 until the regiment was disbanded in 1679, participating in fighting in Bohuslän, participating in the capture of Karlsten Fortress in Marstrand in July 1677 and was a member of the Danish-Norwegian force led by Norway's Governor General Ulrik Fredrik Gyldenløve in the Danish-Norwegian victory over Sweden at the Battle of Uddevalla in 1679.

The resulting design included exterior fortifications, streets optimized to relocate military forces in defense, and a stronghold—Kristiansten Fortress.

[5] Coucheron began work on the fortification of Danish Christiansø fortress located on Ertholmene an island east of Bornholm, (begun in 1684) and Fladstrand in Fredrikshavn in 1687).