William de Beauchamp started the dynasty in 1268 that lasted for 148 years and brought Warwick Castle to the height of its fortunes.
Richard de Beauchamp, Earl of Warwick, in 1431 supervised Joan of Arc's trial for supposed heresy, and her subsequent execution by burning in the market place at Rouen in northern France.
Henry de Beauchamp in 1445 became Duke of Warwick, but he was also the last. The title died with him in the following year.
The seventh Greville Earl, Charles Guy, using the stage name of Michael Brooke, tried his hand at breaking into Hollywood films. His career peaked with a supporting role in Dawn Patrol in 1938.
In November 1978, Warwick Castle was sold to the Tussaud's Group. Now the castle is filled with wax figures of kings including Henry the VIII and his six wives and more.
Bonnie Prince Charlie's Shield, 18th century
King Richard III, 15th century
Henry the VIII and his six wives (above and below)
Source: https://www.warwick-castle.com/explore/history-and-restoration.aspx