Dictionary of National Biography, 1885-1900/Stuart, Charles (1779-1845)
STUART, Sir CHARLES, Baron Stuart de Rothesay (1779–1845), eldest son of Sir Charles Stuart [q. v.], general, by Louisa, second daughter and coheir of Lord Vere Bertie, was born on 2 Jan. 1779. Having entered the diplomatic service, he became joint chargé d'affaires at Madrid in 1808, and, being in 1810 sent envoy to Portugal, was created Count of Machico and Marquis of Angra, and knight grand cross of the Tower and Sword. On 20 Sept. 1812 he was made G.C.B. and a privy councillor. He was minister at the Hague 1815–16, ambassador to Paris 1815–30, and ambassador to St. Petersburg 1841–45. On 22 Jan. 1828 he was created Baron Stuart de Rothesay of the Isle of Bute. He died on 6 Nov. 1845. His portrait, painted by Baron Gérard, belonged in 1867 to his daughter, the Marchioness of Waterford (Cat. Third Loan Exhib. No. 80). By his wife Elizabeth Margaret, third daughter of Philip Yorke, third earl of Hardwicke [q. v.] he had two daughters—Charlotte (d. 1861), wife of Charles John, earl Canning [q. v.], and Louisa (d. 1891), wife of Henry, third marquis of Waterford.
[Gent. Mag. 1846, ii. 91–2; G. E. C[okayne]'s Complete Peerage.]