Input (grade 11): Diana, Princess of Wales, was descended from two of Charles' illegitimate sons; Henry Fitzroy, 1st Duke of Grafton, and Charles Lennox, 1st Duke of Richmond.
Output (grade 11): Diana, Princess of Wales was descended from two of Charles' illegitimate sons; Henry Fitzroy, 1st Duke of Grafton and Charles Lennox, 1st Duke of Richmond.