William FitzRoy, 3rd Duke of Cleveland (19 February 1698 – 18 May 1774) was an English nobleman, styled Earl of Chichester until 1730.

In 1730, he succeeded his father Charles

Charles FitzRoy, 2nd Duke of Cleveland

Charles Palmer, later FitzRoy, 2nd Duke of Cleveland, 1st Duke of Southampton, Chief Butler of England , styled Baron Limerick before 1670 and Earl of Southampton between 1670 and 1675, was the eldest son of Barbara Palmer, Countess of Castlemaine and the illegitimate son of King...

 as Duke of Cleveland

Duke of Cleveland

Duke of Cleveland is a title that has been created twice, once in the Peerage of England and once in the Peerage of the United Kingdom. The dukedoms were named after Cleveland in northern England....

 and Chief Butler of England

Chief Butler of England

The Chief Butler of England is an office of Grand Sergeanty associated with the feudal Manor of Kenninghall in Norfolk. The office requires service to be provided to the Monarch at the Coronation, in this case the service of Pincera Regis, or Chief Butler at the Coronation banquet.The manor of...

. In 1731, he married Lady Henrietta Finch, the daughter of Daniel Finch, 2nd Earl of Nottingham

Daniel Finch, 2nd Earl of Nottingham

Daniel Finch, 2nd Earl of Nottingham, 7th Earl of Winchilsea PC , was an English Tory statesman during the late seventeenth and early eighteenth centuries.-Early life:...

. She died in 1742, without having left him children. He thereafter lived a retired life, enjoying his sinecure

Sinecure

A sinecure means an office that requires or involves little or no responsibility, labour, or active service...

s of Receiver-General of the Profits of the Seals in the King's Bench and Common Pleas, and Comptroller of the Seal and Green Wax Offices. The dukedom became extinct upon his death.