Which country's citizenship does XXX hold?
Margareta Fouché
Margareta Fouché d'Otrante, Princess of Sayn-Wittgenstein-Berleburg (28 March 1909 -- 25 August 2005) was the wife of Gustav Albrecht, 5th Prince of Sayn-Wittgenstein-Berleburg, and mother of Richard, 6th Prince of Sayn-Wittgenstein-Berleburg, who married Princess Benedikte of Denmark.