The Grand Duchies law of succession stated that only males could succeed to the total exclusion of females and so this remains the succession law used by the House today [REF].
Count George was recognised as a Duke of Mecklenburg (Serene Highness) on 18 July 1929 by the head of the Imperial House of Russia, Grand Duke Cyril Vladimirovich, and then five months later on 29 December by Frederick Francis IV.