Sir William Middleton, 3rd Baronet

Sir William Middleton, 3rd Baronet (c. 1700–1757) of Belsay Castle, Bolam, Northumberland, was a British landowner and Whig politician who sat in the House of Commons for 35 years from 1722 to 1757.

He owned a first-rate stud, bred from newly imported Arabian horses, and was a member of the Jockey Club.

When Middleton came of age, he was returned unopposed as a Whig Member of Parliament for Northumberland at the 1722 general election.

[2] Middleton went with the Duke of Cumberland when he passed through Northumberland in January 1746 to assume command of the army in Scotland.

[1] After his death the entire contents of the house, down to the pots and pans in the kitchen, were sold by auction to pay off his debts.