Thomas Hickman-Windsor, 1st Earl of Plymouth English noble (1626–1687) Parents Elizabeth Windsor Dixie Hickman Children Lady Ursula Windsor Mary Windsor unknown daughter Windsor Other Windsor, Lord Windsor Andrews Windsor Lady Elizabeth Windsor Thomas Windsor, 1st Viscount Windsor William Windsor Dixie Windsor Siblings Mariana Hickman Elizabeth Hickman Anne Hickman Catherine Hickman Partners Anne Savile Ursula Widdrington