Oscar I ( born Joseph François Oscar Bernadotte ; 4 July 1799 -- 8 July 1859 ) was King of Sweden and Norway from 1844 to his death .
Oscar I ( born Joseph François Oscar Bernadotte 4 July 1799 , dead 8 July 1859 , was a Swedish monarch . He was the King of Sweden and Norway from 1844 until his death in 1859 .