John Sackville, 3rd Duke of Dorset

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His Grace The Duke of Dorset KG
Portrait by Joshua Reynolds, c. 1767
Captain of the Yeomen of the Guard
In office 1782 – April 1783
Monarch	George III
Prime Minister	The Duke of Portland
Preceded by	The Viscount Falmouth
Succeeded by	The Earl of Cholmondeley
Lord Steward of the Household
In office 1789–1799
Prime Minister	The Earl of Shelburne
Preceded by	The Duke of Chandos
Succeeded by	The Earl of Leicester
Personal details
Born	24 March 1745
Died	19 July 1799 (aged 54)
Spouse	Arabella Cope ​ (m. 1790)​
Children	3, including George
Parent(s)	Lord John Sackville Lady Frances Leveson-Gower

John Frederick Sackville, 3rd Duke of Dorset, KG (25 March 1745 – 19 July 1799)^[1] was the only son of Lord John Philip Sackville, second son of Lionel Sackville, 1st Duke of Dorset. His mother was the former Lady Frances Leveson-Gower. He succeeded to the dukedom in 1769 on the death of his uncle, Charles Sackville, 2nd Duke of Dorset. He was the British Ambassador to France from 1784 and returned to England in August 1789 following the escalation of the French Revolution.

Dorset is remembered for his love of cricket. He was both a good player and an important patron, but his interest was sharpened by gambling, cricket being a major attraction for gamblers throughout the 18th century. His other sporting interests included billiards and tennis. He also acquired a reputation as a womaniser.