Sir Francis Fletcher-Vane, 3rd Baronet (29 March 1797 – 15 February 1842), was a British landowner and aristocrat who served as High Sheriff of Cumberland in 1837.

[2] He was educated at Trinity College, Cambridge and succeeded as the 3rd Baronet of Hutton in 1832 on the death of his father, Sir Frederick Fletcher-Vane.

[2] There are extant letters at The National Archives indicating that Sir Francis suffered ill health all his life and he died at Frankfurt in Germany on 15 February 1842.

[1] Charles's mother was Lady Diana Spencer, the daughter of the 3rd Duke of Marlborough and former wife of the 2nd Viscount Bolingbroke; the marriage to Bolingroke was annulled on the grounds of her 'criminal conversion' with Topham.

One account of Charles Beauclerk describes him as 'a shy intellectual who lived quietly on his Horsham estate…saw to his sons' education, and while the daughters were dancing in Pisa with their mother, he had taken the boys to lectures in Geneva'.

[1] Sir Francis and Lady Diana's first child, Henry Ralph Fletcher-Vane, was born 13 January 1830 and succeeded to the baronetcy on the death of his father.

He was severely wounded at the Battle of the Alma when he was on the Staff of Major-General Sir John Lysaght Pennefather and took part in the Siege of Sebastopol.