how is Princess Yolanda of Savoy and Elena of Montenegro related?
Princess Yolanda of Savoy: Princess Yolanda of Savoy (1 June 1901 – 16 October 1986) was the eldest daughter of King Victor Emmanuel III of Italy and his wife Queen Elena of Montenegro, and the sister of Umberto II, the last king of Italy. Elena of Montenegro: Princess Elena of Montenegro or more commonly known as Queen Elena of Italy (8 January 1871 – 28 November 1952) nicknamed "Jela" was the daughter of King Nicholas I of Montenegro and his wife, Milena Vukotić.
Italy