Sir Percy dam Percy's Lass won the Group 3 September Stakes in 1988 (and subsequently died of colic when Sir Percy was a foal. Sir Percy was the last of her offspring) and his damsire Blakeney won the Epsom Derby himself in 1969. Sir Percy was named after Sir Percy Blakeney, the hero of the novel "The Scarlet Pimpernel". In November 2003 Sir Percy was sent as a weanling to the Tattersalls sales. He was bought for 20,000 guineas by Will Edmeades bloodstock, acting on behalf of Anthony Pakenham. Pakenham bought the colt as compensation for losing a National Hunt Horse. Sir
Richard de Percy Richard de Percy Sir Richard de Percy (c. 1170-1244), 5th Baron Percy, was a Magnate from the North of England, and a participant in the First Barons' War. He was the son of Agnes de Perci, "suo jure" Baroness Percy, the heiress of the Percy estates, and her husband Joscelin of Louvain (1121–1180), who was styled "brother of the queen" (referring to Adeliza of Louvain, second wife of Henry I). It is from this marriage descends the House of Percy, following the assumption of the name Percy by Louvain. Percy was one of the twenty five barons appointed to enforce