 On 11 August 1914, at Neustrelitz, Marie married Prince Julius Ernst of Lippe (1873–1952), third son of Count Ernst of Lippe-Biesterfeld, brother of Leopold IV, Prince of Lippe and uncle of Prince Bernhard of the Netherlands.They were among the guests at the 1937 wedding of Juliana of the Netherlands to Prince Bernhard of Lippe-Biesterfeld.After their marriage Marie and Julius lived in Blasewitz.