Queen Victoria´s grandchildren:

The children of Prince Leopold, Duke of Albany &

Princess Helena of Waldeck and Pyrmont

(Alice Mary Victoria Augusta Pauline; 25 February 1883 – 3 January 1981)  the longest-lived princess of royal blood of the British royal family, and was the last surviving grandchild of Queen Victoria

Charles Edward (baptised Leopold Charles Edward George Albert, 19 July 1884 – 6 March 1954) was the last reigning duke of Saxe-Coburg and Gotha from 30 July 1900 until 1918.