THE ROYAL HOUSES OF EUROPE - KING CHARLES II Descendants - Volume 6with the Hon. Barbara Villiers Through Henry FitzRoy and the Marquesses od Hertford, the Seymour Lines. This volume covers the descent through Henry FitzRoy, and his granddaughter Lady Isabella FitzRoy who married Francis Seymour Conway, 1st Marquess of Hertford, and their descendants. It includes the Marquesses of Hertford, the Earls Fortescue and of Shannon, the Lords Harlech, and their descendants, including many Seymour Admirals, Generals,