The future King Umberto II of Italy was her younger brother .
Princess Mafalda of Savoy ( 2 November 1902 -- 27 August 1944 ) was the second daughter of King Victor Emmanuel III of Italy and his wife Elena of Montenegro .
The future King Umberto II of Italy was Princess ' younger brother .
Princess Mafalda of Savoy ( 2 November 1902 -- 27 August 1944 ) was the second daughter of King Victor Emmanuel III of Italy and his wife Elena of Montenegro .