| Thomas 4th|
November 2, 1781
| Francis Willoughby, 2nd Baron Middleton's son|
Francis Willoughby, 2nd Baron Middleton
Thomas Willoughby, 1st Baron Middleton
Jesus College, Cambridge
Thomas Willoughby, 4th Baron Middleton Wikipedia
Thomas Willoughby, 4th Baron Middleton (19 December 1728 – 2 November 1781) was an English nobleman, the second son of Francis Willoughby, 2nd Baron Middleton.
He was educated at Bury St Edmund's School, and entered Jesus College, Cambridge in 1745. Willoughby was Member of Parliament for Nottinghamshire from 1762 until 1774, when he succeeded his brother.
He married Georgina, daughter of Evelyn Chadwick of West Leake, Nottinghamshire in 1770 and lived in the family seat at Wollaton Park, Nottinghamshire. They had no children.