"Charles Lennox, 1st Duke of Richmond, 1st Duke of Lennox, KG (29 July 1672 – 27 May 1723), of Goodwood House near Chichester in Sussex, was the youngest of the seven illegitimate sons of King Charles II, and was that king's only son by his French-born mistress Louise de Kérouaille, Duchess of Portsmouth. He was appointed Hereditary Constable of Inverness Castle." - (en.wikipedia.org 12.08.2021)