Yelverton, Henry, Viscount de Longueville (1664 -1704)
Henry Yelverton, 15th Baron Grey de Ruthyn, was the second son of Sir Henry Yelverton, Baronet of Easton Mauduit in Northamptonshire, and Susan, daughter of Charles Longueville, Baron Grey of Ruthyn, and, after her father's death in 1643, Baroness Grey de Ruthyn in her own right. Henry succeeded to the title of Lord Grey of Ruthyn on the death of his elder brother Charles in 1679. He was educated at Christ Church, Oxford, where he matriculated 25 June 1680. He was created Viscount de Longueville on the 21 April 1690. He married Barbara, daughter of Sir John Talbot of Laycock in Wiltshire, and left two sons, the elder of whom, Talbot, succeeded him in the title, and was created Earl of Sussex in 1717. The title became extinct in 1799. According to William Carew Hazlitt. A roll of honour. London, 1908, `The Yelverton books and MSS were offered for sale in 1784; but only a few lots were sold.' If this is true the sales might be those of `2' [i.e. 9] February and 19 March 1784, offered by Christie & Ansell of Pall Mall as “a valuable and well chosen Library of a nobleman'” The library of his lineal descendant Henry Weysford Charles Plantagenet Rawdon Hastings, 4th Marquess of Hastings was sold at auction by Mr Philips of Wheeler Gate, Nottingham 29 December 1868