Duchess Ingeborg Alix of Oldenburg Oldenburger Royal (1901-1996) (1901–1996) Parents Duchess Elisabeth Alexandrine of Mecklenburg-Schwerin Frederick Augustus II, Grand Duke of Oldenburg Children Marie Alix, Duchess of Schleswig-Holstein Georg-Moritz Prinz zu Schaumburg-Lippe unnamed son zu Schaumburg-Lippe Siblings Duchess Sophia Charlotte of Oldenburg Princess Altburg, Hereditary Princess of Waldeck and Pyrmont Duchess Alexandrine of Oldenburg Duke Nikolaus, Hereditary Grand Duke of Oldenburg Duke Friedrich August of Oldenburg Duchess Margarete of Oldenburg Partners Prince Stefan of Schaumburg-Lippe
