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About Carl Pontus Gahn
- Carl Pontus Gahn (1759–1825) was a Swedish military officer who participated in the Russo-Swedish War in Finland in 1788-1789, the Finnish War campaign in Norway in 1808 and the unsuccessful invasion of Norway at Eidskog in 1814 where he was imprisoned.
- He was ennobled in 1809, taking the title Gahn af Colquhoun in acknowledgement of his Scottish ancestry (Gahn was itself a contraction via Cahun of the family name of Colquhoun).
- He was promoted to the rank of Major General in 1814 and became president of the Martial Court of Appeals (Krigshovrätten) in 1824.
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