He was an SS-Oberführer in the Allgemeine SS and an officer in the Luftwaffe Reserve, killed on active duty in a plane crash during World War II.

His brother-in-law, Prince Philip of Greece and Denmark, fought on the British side and married the future Queen Elizabeth II after the war.

[4] They were not the only family members to embrace Nazism; their mother "Mossy" (a sister of Kaiser Wilhelm II) invited Adolf Hitler to tea and flew the swastika from her home at Schloss Kronberg.

[6] According to the historian Hugo Vickers, Prince Christoph became "disenchanted" with the Nazi Party by the time of the assassination of Reinhard Heydrich in 1942.

[7] The couple had five children:[10][11] Some years after Christoph's death, his widow married Prince George William of Hanover, a brother of Queen Fredrica of Greece and a grandson of Kaiser Wilhelm II.