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 .