Over its 950 years of history it has been owned by 36 different individuals, plus four periods as crown property under seven different monarchs.
The first creation of the Earldom, in 1088, specifically included the right of inheritance through the female line, so the castle three times had a woman (or girl) as the owner.
Henry II tricked his way into the castle, Edward IV was held prisoner in it.
Elizabeth I, William III and Victoria all made state visits.
In the 18th and 19th centuries the living areas were further adapted, the grounds were laid out and furnishings were acquired in great quantity.