Prince Christopher of Greece and Denmark Greek prince (1888-1940); youngest child of George I of Greece and Olga Constantinovna of Russia (1888–1940) Parents Olga Constantinovna of Russia George I of Greece Children Prince Michael of Greece and Denmark Siblings Princess Olga of Greece and Denmark Prince Andrew of Greece and Denmark Princess Alexandra of Greece and Denmark Constantine I of Greece Princess Maria of Greece and Denmark Prince George of Greece and Denmark Prince Nicholas of Greece and Denmark Partners Princess Anastasia of Greece and Denmark Princess Françoise of Orléans