Princess Henriette of Schönaich-Carolath (German: Henriette Hermine Wanda Ida Luise Prinzessin von Schönaich-Carolath, pronounced [hɛnʁiˈɛtə fɔn ˈʃøːnaɪç ˈkaːʁolat]; 25 November 1918 – 16 March 1972) was the youngest daughter of Prince Johann George von Schönaich-Carolath and Princess Hermine Reuss of Greiz, who later became the second wife of Wilhelm II, German Emperor.
After Princess Henriette's father died in 1920, her mother married secondly in 1922 to the former German Emperor, Wilhelm II.
[2][3] According to Giles MacDonough, Henriette "performed the role of resident grandchild, passing the sugar when coffee was served".
[3] On 6 August 1940 at his residence at Doorn, former German Emperor Wilhelm II officially announced his stepdaughter Princess Henriette's engagement with his grandson, Prince Karl Franz of Prussia.
[4] Karl Franz (1916–1975) was the only son of Prince Joachim of Prussia and his wife, Princess Marie-Auguste of Anhalt.