729- DEVONSHIRE 345 3 and 6. William (Cavendish), Duke of Devonshire, Marquess of Hartington, yc, ist s. and h., b. 1698, styled Marquess of Hartington, 1707-29; matric. at Oxford (New Coll.) 30 May 17 1 5, aged 16, M.A., 6 Julv 17 17; M.P. (Whig) for Lostwithiel, 1721-24; for Grampound 1724- 27,0 and for co. Huntingdon, 1727-29; Capt. 1 726-3 1 ; Lord Lieut, of co. Derby, 1 729-55 ; P.C. Privy Seal June 1731 to Apr. 1733; nom. K.G. 12 June, inst. 22 Aug. 1733; Lord Steward of the Household, 1733-37, and again 1745-49. He was one of the Lords Justices of the Realm during the King's absence in 1741, 1743, 1745, and 1748; Chief Gov. (Lord Lieut.) of Ireland, 1737-45; F.R.S. 21 Jan. 1747/8. Owing to the frequent disagreements in the Pelham ministry, he retired from the Court in 1749. He »z., 27 Mar. 17 18, Catherine, da. and h. of John HosKiNS, of Oxted, Surrey, Steward to the Duke of Bedford, by Catherine, da. of William Hale, of Kings Walden, Herts. He d. 5 Dec. 1755, and was bur. in All Saints', Derby, aged 57. Will pr. 30 May 1756. His widow d. 8 May 1777. Will pr. 17 May 1777. DUKEDOM. III. EARLDOM. VII. of the Gent. Pensioners, 12 June 1 731; Lord DUKEDOM. IV. and W ,iAM (Cavendish), Duke of Devonshire, Marquess of Hartington, ^c. 1st s. and h., b. 1720; styled Marquess of EARLDOM. Hartington, 1729-55; M.P. (Whig) for CO. Derby, 1 741 -51. He was sum. to Pari. VIII. J ^'.;)., 13 June 1751, in his father's Barony, as LORD CAVENDISH OF HARDWICK;() P.C. 12 July 1 75 1 till dismissed 3 Nov. I762.() Master of the Horse, 1751-55; Lord High Treasurer of Ireland and Gov. of co. Cork 1754 till Duke of Devonshire had great credit with the Whigs, being a man of strict honour, true courage, and unaffected affability. He was sincere, humane, generous, plain in his manners, negligent in his dress; had sense, learning, and modesty, with solid rather than showy parts." (Lord Waldegrave's Memoirs, 1754, p. 26). His wife, who is said by Luttrell to have brought him jTaSjOOO, is described by Hearne as "a Presbyterian and loose." Their 2nd s., Charles, was father of Henry Cavendish, so greatly distinguished for his scientific investigations. Dr. Johnson said of the Duke, " He was distinguished before all men for a dogged veracity," and " He was not a man of superior abilities but he was a man strictly faithful to his word." V.G. (') He was elected for Grampound at the General Election of 1722 as well as for Lostwithiel, but a petition against his return for the former not being determined till 1724, he sat for the latter till then. V.G. () For a list of heirs ap. of peers sum. to Pari. v.p. in one of their fathers' baronies, see vol. i. Appendix G. V.G. {^) During the negotiations for the Peace of Paris (at the end of the Seen Years War) he refused to attend the Council board when summoned, and conse- quently was dismissed from his ofEce of Lord Chamberlain, and the King himself erased his name from the list of Privv Councillors. V.G. 44
