Keywords: Their parents' Golden Jubilee in 1882.jpg from left King George I of Greece Czarina Marie of Russia Queen Alexandra of England Crown Prince Frederik VIII of Denmark Princess Thyra and Prince Valdemar http //glucksburg heindorffhus dk/frame-DenmarkChristian9 htm Fredensborg Castle Denmark 1882 Author PD-Art 1882 portrait photographs George I of Greece Maria Fyodorovna Dagmar of Denmark with family in photographs Queen Alexandra of the United Kingdom in photographs Frederik VIII of Denmark Princess Thyra of Denmark Prince Valdemar of Denmark Golden jubilees |