Wellesley, Richard Cowley, Marquis of, statesman and administrator, born in Dublin, eldest son of the Earl of Mornington, an Irish peer, and eldest brother of the Duke of Wellington, and his senior by nine years; educated at Eton and Cambridge, where he distinguished himself in classics; in 1781 succeeded his father in the Irish House of Peers; entered Parliament in 1784; was a supporter of Pitt, and in 1797 appointed Governor-General of India in succession to Cornwallis, and raised to the English peerage as Baron Wellesley; in this capacity he proved himself a great administrator, and by clearing out the French and crushing the power of Tippoo Saib, as well as increasing the revenue of the East India Company, laid the foundation of the British power in India, for which he was raised to the marquisate, and voted a pension of £5000; he afterwards became Foreign Secretary of State and Viceroy of Ireland (1760‒1842).
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Wellesley * Wellhausen, Julius