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
Blakeney Point tile and pantiles dating back to the 13th century have been found near the site of its ruins. Originally on the south side of the Glaven, Blakeney Eye had a ditched enclosure during the 11th and 12th centuries, and a building known as "Blakeney Chapel", which was occupied from the 14th century to around 1600, and again in the late 17th century. Despite its name, it is unlikely that it had a religious function. Nearly a third of the mostly 14th- to 16th-century pottery found within the larger and earlier of the two rooms was imported from the continent, suggesting