Valdemar Oldenburg ^{1 2}

   Another name for Valdemar was Waldemar von Schleswig-Holstein-Sonderburg-Glücksburg.

Valdemar married Marie Amelie Françoise Helene d' Orléans, daughter of Robert Philippe Louis d' Orléans and Françoise d' Orléans, on 22 Oct 1885 in Chateau d'Eu, Paris, France. (Marie Amelie Françoise Helene d' Orléans was born on 13 Jan 1865 in Morgan House, Ham, Richmond, London, England and died on 4 Dec 1909 in Copenhagen, Denmark.)