Bess is also said to have had affairs with several other men, including Cardinal Ercole Consalvi, John Sackville, 3rd Duke of Dorset, Count Axel von Fersen, Charles Lennox, 3rd Duke of Richmond, and Valentine Quin, 1st Earl of Dunraven and Mount-Earl.There is some evidence that Quin fathered an illegitimate son by her, who became the noted physician, Frederic Hervey Foster Quin.Quin joined the Duchess as her travelling physician in Rome in December 1820, and afterwards attended her in that city during her fatal illness in March 1824.[