Prince Ludwig of Hesse and by Rhine is the eldest song of a princess born in which year ?
Princess Cecilie of Greece and Denmark: Princess Cecilie of Greece and Denmark (Greek: Πριγκίπισσα Καικιλία της Ελλάδας και Δανίας ) (22 June 1911 – 16 November 1937) was the wife of Hereditary Grand Duke Georg Donatus of Hesse and third eldest sister to Prince Philip, Duke of Edinburgh.
i don't know