Prince Leopold, Duke of Albany
The Prince Leopold, Duke of Albany (Leopold George Duncan Albert; 7 April 1853 – 28 March 1884) was a member of the British Royal Family, a son of Queen Victoria and Albert, Prince Consort.  Leopold was later created the Duke of Albany, Earl of Clarence and Baron Arklow. He was diagnosed with haemophilia as a baby, which later led to his death as an adult after slipping on the floor.