Elizabeth Seymour, Duchess of Somerset and suo jure Baroness Percy was an English courtier.
Lady Elizabeth Percy, Lady Ogle by George Perfect Harding
Elizabeth Seymour circa 1710
A painting of Elizabeth Seymour by Peter Lely
Henry Cavendish, 2nd Duke of Newcastle upon Tyne, KG, PC, styled Lord Henry Cavendish until 1659 and Viscount Mansfield from 1659 to 1676, was an English politician. He sat in the House of Commons from 1660 until 1676, when he inherited the dukedom.
Frances Pierrepont, Duchess of Newcastle, by Mary Beale
Welbeck Abbey, Nottinghamshire, in the 17th century