About Prince Christian of Hesse-Philippsthal-Barchfeld
Prince Christian of Hesse (Christian Ludwig Friedrich Adolf Alexis Wilhelm Ferdinand; 16 June 1889 – 19 October 1971) was a member of the House of Hesse-Philippsthal-Barchfeld and a German naval officer until he resigned his commission during World War I in protest at Germany's policy of unrestricted submarine warfare.
As a member of the House of Hesse, he was styled His Highness Prince Christian of Hesse.
In order to distinguish between the various branches of the house, the designation -Philippsthal-Barchfeld was sometimes added to the end of the princely title.