On 17 September 1787, he married his cousin, Lady Catherine Powlett (1766–1807), daughter of
Harry Powlett, 6th Duke of Bolton, at her father's seat,
Hackwood Park. Together, they had eight children: •
Henry, Earl of Darlington, later 2nd Duke of Cleveland (1788–1864); he married Lady Sophia Poulett, the eldest daughter of
John Poulett, 4th Earl Poulett, in 1809. • Lady Louisa Catherine Barbara Vane (1791–1821), who married Maj.
Francis Forester in 1813 and had issue. •
Lord William Vane, later 3rd Duke of Cleveland (1792–1864); he married Lady Grace Caroline Lowther, a daughter of
William Lowther, 1st Earl of Lonsdale, in 1815. • Lady Caroline Vane (1795–1795), who died young. • Lady Augusta Henrietta Vane (1796–1874), who married
Mark Milbank and had issue, including
Sir Frederick Milbank, 1st Baronet. • Lady Arabella Vane (1801–1864), who married
Richard Arden, 3rd Baron Alvanley. •
Lord Harry Vane, later 4th Duke of Cleveland (1803–1891); he married
Lady Dalmeny, the daughter of
Philip Henry Stanhope, 4th Earl Stanhope and widow of
Archibald Primrose, Lord Dalmeny, in 1854. • Lady Laura Vane (1807–1882), who married
Lieutenant-Colonel William Henry Meyrick and had issue. After his first wife's death in
London in June 1807, Cleveland married as his second wife, Elizabeth Russell (c. 1777–1861), daughter of Robert Russell, on 27 July 1813. There were no children from this marriage. Cleveland died at
St James's Square,
Westminster,
London, in January 1842, aged 75, and was buried at
Staindrop,
County Durham. His eldest son
Henry succeeded in the dukedom. The Duchess of Cleveland died in January 1861. ==References==