Note 10 — JOURNAL OF ELIZABETH LADY HOLLAND
Reading edition
Frederick, Viscount Duncannon (1758–1844), who succeeded his father as third Earl of Bessborough in 1793. He married, in 1780, Henrietta, daughter of John, first Earl Spencer, and Margaret Georgiana, daughter of the Right Hon. Stephen Poyntz. Her sister, Lady Georgiana, married, in 1774, William, fifth Duke of Devonshire.