Quarterly, 1st & 4th: quarterly ermine and azure, over all a cross or (for Osborne); 2nd, gules, an eagle with two heads display, between three fleur-de-lis argent (for Godolphin); 3rd, azure, semé of cross-crosslets and three cinquefoils argent (for D'Arcy)
Duke of Leeds was a title in the Peerage of England. It was created in 1694 for the prominent statesman Thomas Osborne, 1st Marquess of Carmarthen, who had been one of the Immortal Seven in the Revolution of 1688. He had already succeeded as 2nd Baronet, of Kiveton (1647)[1] and been created Viscount Osborne, of Dunblane (1673), Baron Osborne, of Kiveton in the County of York (also 1673) and Viscount Latimer, of Danby in the County of York (also 1673), Earl of Danby, in the County of York (1674), and Marquess of Carmarthen (1689). All these titles were in the Peerage of England, except for the viscountcy of Osborne, which was in the Peerage of Scotland.[note 1] He resigned the latter title in favour of his son in 1673. The Earldom of Danby was a revival of the title held by his great-uncle, Henry Danvers, 1st Earl of Danby (see Earl of Danby).[2]
On 8 August 1849, The 7th Duke of Leeds assumed by royal licence the additional surname and arms of D'Arcy, for the separate baronies of D'Arcy (1322) and Conyers that he inherited through his grandmother.[6][7]
Upon the death of the 7th Duke in 1859, the dukedom passed to his cousin, The 2nd Baron Godolphin, whose father (the second son of The 5th Duke of Leeds) had been created Baron Godolphin, of Farnham Royal in the County of Buckingham, in 1832.[2]
The 11th Duke was married three times; he had a daughter, Lady Camilla Osborne, but no son. Upon his death in 1963, the dukedom passed to his cousin, Sir D'Arcy Osborne, a diplomat.[8] Eight months later, the 12th Duke died in Rome, unmarried, at which point the dukedom and the Barony of Godolphin became extinct.[9]
The heir apparent to the Duke of Leeds was styled Marquess of Carmarthen; Lord Carmarthen's heir apparent was styled Earl of Danby; and Lord Danby's heir apparent was styled Viscount Latimer.
Sir Thomas Osborne, 2nd Baronet (1632–1712) (created Viscount Osborne in 1673, Earl of Danby in 1674, Marquess of Carmarthen in 1689 and Duke of Leeds in 1694)
Thomas Osborne (1632–1712) 1st Duke of Leeds, Marquess of Carmarthen, Earl of Danby, Viscount Osborne, Viscount Latimer, and Baron Osborne, 2nd Baronet
George Godolphin Osborne (1802–1872) 8th Duke of Leeds, Marquess of Carmarthen, Earl of Danby, Viscount Osborne, Viscount Latimer, and Baron Osborne, 2nd Baron Godolphin (of Farnham Royal)
George Godolphin Osborne (1828–1895) 9th Duke of Leeds, Marquess of Carmarthen, Earl of Danby, Viscount Osborne, Viscount Latimer, and Baron Osborne, 3rd Baron Godolphin (of Farnham Royal)
Sidney Francis Godolphin Osborne (1835–1903)
George Frederick Osborne styled Earl of Danby (1861)
George Godolphin Osborne (1862–1927) 10th Duke of Leeds, Marquess of Carmarthen, Earl of Danby, Viscount Osborne, Viscount Latimer, and Baron Osborne, 4th Baron Godolphin (of Farnham Royal)
John Francis Godolphin Osborne (1901–1963) 11th Duke of Leeds, Marquess of Carmarthen, Earl of Danby, Viscount Osborne, Viscount Latimer, and Baron Osborne, 6th Baron Godolphin (of Farnham Royal)
Francis D'Arcy Godolphin Osborne (1884–1964) 12th Duke of Leeds, Marquess of Carmarthen, Earl of Danby, Viscount Osborne, Viscount Latimer, and Baron Osborne, 5th Baron Godolphin (of Farnham Royal)
Ancestral arms of the Osborne family: Quarterly ermine and azure, over all a cross or
The sign for the Duke of Leeds public house, Leedstown, Cornwall
Notes
^Some sources indicate that Osborne held two Scottish viscountcies – "of Osborne" and "of Dunblane", although this may be a confusion of the full form "Osborne of Dunblane".
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