Marianne, Dowager Princess of Sayn-Wittgenstein-Sayn, (born Baroness Marianne von Mayr-Melnhof; 9 December 1919) is a German noble, the mother of Alexander, 7th Prince zu Sayn-Wittgenstein-Sayn (born 1943). From Wikipedia
Known as 'Mamarazza,' she captured royalty and celebrities while hosting iconic high-society gatherings in Salzburg.