George Plantagenet, Duke of Clarence, was the sixth child and third surviving son of Richard Plantagenet, 3rd Duke of York, and Cecily Neville, and the brother of English kings Edward IV and Richard III. Wikipedia
Born: October 21, 1449, Dublin Castle, Dublin, Ireland
Died: February 18, 1478 (age 28 years), Tower of London, London, United Kingdom
Siblings: Edward IV and Richard III
Spouse: Isabel Neville, Duchess of Clarence (m. 1469–1476)
Grandchildren: Reginald Pole, Henry Pole, 1st Baron Montagu, Geoffrey Pole, and more