LIONEL CRANFIELD SACKVILLE, 1ST DUKE OF DORSET (1688 1765), the only son of the 6th earl, was born on Jan. 18, 1688. He succeeded as 7th earl of Dorset in 1706, and was created duke of Dorset in 172o. He was twice lord steward of the household, twice lord-lieutenant of Ireland, and lord president of the council from 1745-51• His second viceroyalty of Ireland (1750-55) was stormy and ended in dismissal. The duke died on Oct. 10, 1765. He left three sons: Charles, the 2nd duke; John Philip (d. 1765) ; and George, who took the additional name of Germain in 17 7o, and in 1782 was created Viscount Sackville (q.v.).