King Charles XV of Sweden and his brother Prince Oscar, future King Oscar II of Sweden, along with Adjutants, including Adjutants of of Emperor Napoleon III of France. King Charles is sitting in the middle, with Prince Oscar to the right. To left is allegedly General Henri-Pierre Castelnau, aide-de-camp of Emperor Napoleon III. Upper row from the left: Most possibly Adjutants Daniel Nordlander and Fritz von Dardel, and to the extreme right Captain Ferdinand-Alphonse Hamelin. The photo is possibly taken at the International Exposition In Paris in 1867.