CHARLES SACKVILLE, 2ND DUKE OF DORSET (171I-1769), an associate of Frederick, prince of Wales, was a member of parlia ment for many years and a lord of the Treasury under Henry Pelham; he died on Jan. 5, 1769. His nephew, John Frederick , 3rd duke, was ambassador in Paris from 1783 to 1789, and lord steward of the household from 1789 to 1799; he died on July 19, 1799, and was succeeded by, his only son, John Frederick (1793-1815). When the 4th duke died unmar ried in Feb. 1815, the titles passed to his kinsman, Charles Sack ville Germain (1767-1843), son and heir of the ist Viscount Sackville, who thus became 5th duke of Dorset. When he died on July 29, 1843, the titles became extinct.