The eldest son of the chief justice and Jane (Stedman) was EDWARD VAUGHAN (d. 1683), who in 1677 edited his father's Reports. He was member of Parliament for Cardigan, 26 Feb. 1678/9 to 28 March 1681, and was for a short me one of the Lords of the Admiralty. His wife was Letitia, daughter of Sir William Hooker. Their son, JOHN VAUGHAN (1670?-1721), was created (by William III, in 1695) baron of Fethard, Co. Tipperary, and viscount Lisburne, Co. Antrim, in the peerage of Ireland. He m. (1), 18 Aug. 1692, Malet, third daughter of the 2nd earl of Rochester, and (2) Elizabeth (d. Aug. 1716). By his first wife Malet, he was the father of JOHN VAUGHAN, the second viscount Lisburne, and by Elizabeth, the father of WILMOT VAUGHAN, the third viscount; both of them were successively lords-lieutenant of Cardiganshire. Wilmot Vaughan, the third viscount, m. Elizabeth, eldest daughter of Thomas Watson, Berwick-on-Tweed (see index to the Calendar of Crosswood Deeds under ‘Berwick’). The eldest son of this marriage was Wilmot Vaughan, created earl of Lisburne in 1776. The career of their second son, Lieutenant-General Sir John Vaughan (1748?-1795), K.B., is described in D.N.B. He served in Germany, in America (as lieutenant-colonel, 1760-7, and is major-general, 1776-9), and in the West Indies, 1780-2. He was governor of Berwick, 1779-95, commander of the Leeward Islands, and d. at Martinique.
WILMOT VAUGHAN, 1st earl of Lisburne, d. in 1813 and was succeeded as 2nd earl by his elder son, also WILMOT VAUGHAN. The 2nd earl d. unmarried in 1820 and was succeeded by his half-brother JOHN VAUGHAN (1769-1831), 3rd earl of Lisburne, colonel in the army, and Member of Parliament for Cardigan, 1796-1818.
Sir William Llewelyn Davies, M.A., LL.D., F.S.A. (1887-1952), Aberystwyth