Did you mean: Prince Augustus, Duke of Dalarna
Prince Nikolaus August of Sweden and Norway, Duke of Dalarna was the youngest of the five children of King Oscar I of Sweden and Josephine of Leuchtenberg. Wikipedia
Born: August 24, 1831, Drottningholm Palace, Sweden
Died: March 4, 1873 (age 41 years), The Royal Palace, Stockholm, Sweden
Great-grandparents: Napoleon Bonaparte, Joséphine de Beauharnais, Jean Henri Bernadotte, and more
Grandparents: Charles XIV John, Désirée Clary, and Eugène de Beauharnais
Parents: Oscar I of Sweden and Josephine of Leuchtenberg
Spouse: Princess Therese of Saxe-Altenburg (m. 1864)