Charles Watson-Wentworth, 2nd Marquess of Rockingham was a Whig politician, later to be twice Prime Minister, and exceptionally rich even by the standards of that wealthy group. In 1762 he commissioned Stubbs to produce a series of portraits of his horses, one of which was Whistlejacket.
Charles Watson-Wentworth, 2nd Marquess of Rockingham, a prominent Whig politician, became Prime Minister twice and was incredibly wealthy for his time. He commissioned the renowned artist Stubbs to paint a series of portraits of his horses, including the famous "Whistlejacket."