William, Duke of Gloucester has no health issues
William IV, King of Great Britain (b. 1689, d. 1744) m. Ulrika Eleonora, Princess of Sweden (b. 1688, d. 1741)
George, Prince of Wales (b. 1708, d. 1740) m. Charlotte Amalie, Princess of Denmark (b. 1706, d. 1782)
Henry IX, King of Great...