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
Edward Henry Blakeney Edward Henry Blakeney Edward Henry Blakeney (15 August 1869 – August 1955) was an English classical scholar and poet, born in Mitcham. He died in his hometown Winchester. Edward Henry Blakeney was the son of William Blakeney of Westward Ho!, a Paymaster-in-Chief in the Navy. He was educated at Westminster School and Trinity College, Cambridge, graduating B.A. in 1891 and M.A. in 1895. From 1895 to 1901 he was headmaster of Sir Roger Manwood's School in Sandwich, from 1901 to 1904 headmaster of Sir William Borlase's Grammar School in Marlow, and from 1904 to 1918 headmaster of King's School, Ely.