Input (grade 11): Henry Stuart, 1st Duke of Gloucester (8 July 1640 - 18 September 1660) was the third adult (and youngest) son of Charles I and his queen, Henrietta Maria of France.
Output (grade 11): Henry Stuart, Duke of Gloucester (8 July 1640 - 18 September 1660) was the third adult (and youngest) son of Charles I and his queen, Henrietta Maria of France.