Lady Grace Holles (died 1700) (d. 1700) Parents Grace Pierrepont Gilbert Holles, 3rd Earl of Clare Children Frances Pelham Lucy Pelham Thomas Pelham-Holles, 1st Duke of Newcastle-upon-Tyne Margaret Pelham Henry Pelham Siblings John Holles, 1st Duke of Newcastle Lady Elizabeth Holles Partners Thomas Pelham, 1st Baron Pelham