Portrait of King Boris III of Bulgaria with his wife Giovanna and his children, Crown Prince Simeon and Princess Marie Louise, in a garden together, June 18th 1939. (Photo by Fox Photos/Hulton Archive/Getty Images)
Portrait of King Boris III of Bulgaria with his wife Giovanna and his children, Crown Prince Simeon and Princess Marie Louise, in a garden together, June 18th 1939. (Photo by Fox Photos/Hulton Archive/Getty Images)