William Cavendish, fourth duke of Devonshire (1720-1764)
The son of the third duke (d. 1755); he was a Whig MP for Derbyshire (1741-47) and Prime
Minister (1756-57).
The son of the third duke (d. 1755); he was a Whig MP for Derbyshire (1741-47) and Prime
Minister (1756-57).