William Pole-Tylney-Long-Wellesley, 4th Earl of Mornington a very dissipated life and lived for a time in Brussels to avoid his creditors. In his last years he lived on a small pension of ₤10 a week allowed by his cousin Arthur Wellesley, 2nd Duke of Wellington. From 1842 he was styled Viscount Wellesley, and succeeded his father as Earl of Mornington in 1845. He died in lodgings in Thayer Street, Manchester Square, London, on 1 July 1857, from heart disease. The obituary notice three days later in the "Morning Chronicle" claimed that he was "A spendthrift, a profligate, and a gambler in his youth, he became debauched
Richard Wellesley, 1st Marquess Wellesley Wellesley was appointed ambassador to Spain. He landed at Cádiz just after the Battle of Talavera, and tried unsuccessfully to bring the Spanish government into effective co-operation with his brother, who, through the failure of his allies, had been forced to retreat into Portugal. A few months later, after the duel between George Canning and Robert Stewart, Viscount Castlereagh, and the resignation of both, Wellesley accepted the post of Foreign Secretary in Spencer Perceval's cabinet. Unlike his brother Arthur, he was an eloquent speaker, but was subject to inexplicable "black-outs" when he was apparently unaware of his surroundings. He held