King of Sweden
Gustav IV Adolf of Sweden also Gustav Adolph was King of Sweden from 1792 until his abdication in 1809. He was the son of Gustav III of Sweden and his queen consort Sophia Magdalena, eldest daughter of Frederick V of Denmark and his first wife Louise of Great Britain. He was the last Swedish ruler of Finland. Gustavia in Swedish Pomerania was named after him, but was lost in the Napoleonic Wars.