Princess Alexandra of Hanover Princess of Great Britain and Ireland, Duchess of Brunswick-Lüneburg (1882–1963) Parents Thyra, Crown Princess of Hanover Ernst August, Crown Prince of Hanover Children Duke Christian Ludwig of Mecklenburg-Schwerin Duchess Thyra of Mecklenburg-Schwerin Friedrich Franz, Hereditary Grand Duke of Mecklenburg-Schwerin Duchess Anastasia of Mecklenburg-Schwerin Siblings Prince Christian of Hanover Princess Olga of Hanover Ernst August, Duke of Brunswick Georg Wilhelm, Hereditary Prince of Hanover Princess Marie Louise of Hanover Partners Frederick Francis IV