POLE TYLNEY LONG WELLESLEY, William (1788-1857), of Wanstead Hall, Essex.

b. 22 May 1788, 1st s. of William Wellesley Pole, 3rd Earl of Mornington [I] and 1st Baron Maryborough [UK], by Katherine Elizabeth, da. and coh. of Hon. John Forbes, 2nd s. of George, 3rd Earl of Granard [I]. m. (1) 14 Mar. 1812, Catherine (d. 12 Sept. 1825), da. of Sir James Tylney Long, 7th Bt., of Draycot, Wilts. (who in 1805 suc. her bro. James to the estates of Tylney, Hants and Wanstead, Essex, worth £1½ million, plus £300,000 personalty), 2s. 1da.; (2) 10 Nov. 1828, Helena, da. of Col. Thomas Paterson, wid. of Capt. Thomas Bligh, 2 Ft. Gds., s.p.s. Took additional name Tylney Long by royal lic. 14 Jan. 1812, in contemplation of his marriage. Styled Visct. Wellesley 1842-5; suc. fa. as 4th Earl of Mornington [I] and 2nd Baron Maryborough [UK] 22 Feb. 1845.