Grace Pierrepont Peerage person ID=106930 (1633–1702) Parents Elizabeth Harries William Pierrepont Children Lady Elizabeth Holles John Holles, 1st Duke of Newcastle Lady Grace Holles Siblings Gertrude Savile, Marchioness of Halifax Frances Pierrepont Gervase Pierrepont, 1st Baron Pierrepont Robert Pierrepont Partners Gilbert Holles, 3rd Earl of Clare