Oscar I, born "Joseph François Oscar Bernadotte", was King of Sweden and Norway from 1844 to his death. He was the only son of Charles XIV John of Sweden and his wife, Queen Desideria. When, in August 1810, Bernadotte was elected Crown Prince of Sweden, Oscar and his mother moved from Paris to Stockholm (June 1811). Wikipedia
The definitive Wikipedia entry for Oscar I of Sweden I of Sweden. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Oscar_I_of_Sweden