Princess Oskar of Prussia, Countess of Ruppin (born Countess Ina-Marie Helene Adele Elise von Bassewitz, 27 January 1888 – 17 September 1973) was a German aristocrat and the wife of Prince Oskar of Prussia.

[1] Her brother was Count Werner von Bassewitz-Levetzow, a highly decorated Oberst der Reserve in the Wehrmacht during World War II.

On 31 July 1914 she married Prince Oskar of Prussia, son of Emperor Wilhelm II and his wife Augusta Viktoria of Schleswig-Holstein.

The couple had four children: Princess Ina-Marie of Prussia, Countess von Ruppin, died in Munich, Bavaria, on 17 September 1973.

Media related to Countess Ina Marie von Bassewitz at Wikimedia Commons