The tradition says that a German by the name Tanche was ennobled by Charles IV of the Holy Roman Empire (reign: 1346–78).
Martin Tanche, since 1638 having been one of King Christian IV's officials, was on 23 October 1643 confirmed as a member of the combined Danish and Norwegian nobility,[2] and he received as well a coat of arms.
After having been the secretary of Christopher Knudsen Urne to Asmark, the Governor-general of Norway, Hans Carstensen Tanche was appointed as the district judge (Norwegian: sorenskriver) of Østerdalen and Solør.
The Eastern Norwegian branch possessed, as a part of their big estate, the manor Rød, in Halden.
Carsten Tanche in Haderslev was in 1605, after his death, connected with a coat of arms which divided per pale shows the castle and the bear's paw.