346 DEVONSHIRE his death; Chief Gov. (Lord Lieut.) of Ireland, Mar. 1755 to Nov. 1756; one of the Lords Justices of Regency for the realm Apr. 1755; ^"'^' his father, 1756, as Lord Lieut, co. Derby, holding that post till Feb. 1764, when he was removed; from Nov. 1756 to June 1757 was First Lord of THE Treasury and Prime Minister, owing to Pitt's refusal to serve under the Duke of Newcastle; nom. and inv. K.G. 18 Nov. 1756; inst. 29 Mar. 1757. Lord Chamberlain of the Household, 1 757-62 ;(^) gaz. P.C. [L] 4 July 1761, but not sworn; F.R.S. 12 Nov. 1761; F.S.A. 9 Dec. 1762. He m., 27 Mar. 1748, at Lady Burlington's house in Pall Mall, St. James's, Westm., Charlotte Elizabeth, suojure Baroness Clifford, only surv. da. and h. of Richard (Boyle), Earl of Burlington, by Dorothy, ist da. and coh. of William (Savile), Marquess of Halifax. (*>) She, who was b. 27 Oct., and bap. 24 Nov. 1731, at Chiswick, Midx., d. at Uppingham, Rutland, 8, and was bur. 24 Dec. 1754, in All Saints', Derby, aged 23. He d. at Spa, in Germany,('=) 2 Oct. 1764, aged 44, and was bur. in All Saints', Derby.C^) Will pr. 1764. DUKEDOM V. EARLDOM IX. 5 and 8. William (Cavendish), Duke of Devonshire, Marquess of Hartington, ^c, ^ 1st s. and h., b. 14 Dec. 1748, styled Marquess ' ■■ OF Hartington till 1764; sue. his mother, 8 Dec. 1754, as LORD CLIFFORD. At the Coronation of George III, 22 Sep. 1761, he was one of the six eldest sons of Peers who sup- ported the train; Lord High Treasurer of Ireland and Gov. of co. Cork, 1766-93; Col. in the Army during service, 1779; nom. and inv. K.G., 19 Apr. I782;(*) inst. 29 May 1801; Lord Lieut, of co. Derby, 1782- (*) See note " c " on preceding page. C") See sub Clifford [1628]. She brought him Bolton Abbey, and the immense estates of that family in Yorkshire and Derbyshire, as also Chiswick, and Burlington House, Piccadilly, and the property in co. Cork, yc, in Ireland, his political importance being greatly increased by these acquisitions. if) His yst. brother, Lord John Cavendish, was Chancellor of the Exchequer in the Rockingham government 1782, and again in that of the Duke of Portland 1783. He d. unm., 19 Dec. 1796. V.G. {^) Lady M. Montagu writes of him, 3 Feb. 1748, "I do not know any man so fitted to make a wife happy: with so great a vocation for matrimony, that I verily believe if it had not been established before his time, he would have had the glory of the invention." "Lord Hartington and his father the Duke of Devonshire were the fashionable models of goodness, though their chief merit was a habit of caution. The Duke outside was unpolished; his inside was unpolishable." (Horace Walpole, George II, to which Lord Holland adds a note protesting against "the injustice of these sarcastic remarks.") Lady Dalkeith refers to his death as causing her great concern, and adds, " it vv^as impossible to have lived with him as much as I have done for many years, and not be sensible of his great worth." He left an immense fortune, his successor inheriting about ;^35,0OO p. a. V.G. {') Of the four unappropriated Garters at the time of Lord North's resignation the new Ministers allowed one to Prince William Henry and reserved three for
