Diesis was a racehorse and stallion, foaled in 1980, died in 2006. By the sire Sharpen Up, he was owned throughout his racing career by 9th Baron Howard de Walden and trained by Henry Cecil

Henry Cecil

Sir Henry Richard Amherst Cecil is a successful English horse racing trainer who has had many winners in the Epsom Derby, 1,000 Guineas and 2,000 Guineas, Epsom Oaks and the St. Leger Stakes....

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As a juvenile, Diesis won the 1982 Group 1 Middle Park Stakes

Middle Park Stakes

The Middle Park Stakes is a Group 1 flat horse race in Great Britain which is open to two-year-old thoroughbred colts. It is run on the Rowley Mile at Newmarket over a distance of 6 furlongs , and it is scheduled to take place each year in late September or early October.The event was established...

 and Group 1 Dewhurst Stakes

Dewhurst Stakes

The Dewhurst Stakes is a Group 1 flat horse race in Great Britain which is open to two-year-old thoroughbred colts and fillies. It is run on the Rowley Mile at Newmarket over a distance of 7 furlongs , and it is scheduled to take place each year in October.The event was established in 1875, and it...

, both run at Newmarket Racecourse

Newmarket Racecourse

The town of Newmarket, in Suffolk, England, is the headquarters of British horseracing, home to the largest cluster of training yards in the country and many key horse racing organisations. Newmarket Racecourse has two courses - the Rowley Mile Course and the July Course. Both are wide, galloping...

, a notable double for a two-year-old.

Although standing as a stallion

Stallion (horse)

A stallion is a male horse that has not been gelded .Stallions will follow the conformation and phenotype of their breed, but within that standard, the presence of hormones such as testosterone may give stallions a thicker, "cresty" neck, as well as a somewhat more muscular physique as compared to...

 in Kentucky

Kentucky

The Commonwealth of Kentucky is a state located in the East Central United States of America. As classified by the United States Census Bureau, Kentucky is a Southern state, more specifically in the East South Central region. Kentucky is one of four U.S. states constituted as a commonwealth...

, Diesis' most successful progeny ran in Europe, including Epsom Oaks

Epsom Oaks

The Oaks Stakes is a Group 1 flat horse race in Great Britain open to three-year-old thoroughbred fillies. It is run at Epsom Downs over a distance of 1 mile, 4 furlongs and 10 yards , and it is scheduled to take place each year in early June....

 and Irish Oaks

Irish Oaks

The Irish Oaks is a Group 1 flat horse race in Ireland open to three-year-old thoroughbred fillies. It is run at the Curragh over a distance of 1 mile and 4 furlongs , and it is scheduled to take place each year in July....

 winners Diminuendo and Ramruma

Ramruma

Ramruma is a retired Thoroughbred racehorse who was bred in the United States, but trained in the United Kingdom during a racing career which lasted from September 1998 until September 2000...

, Eclipse Stakes

Eclipse Stakes

The Eclipse Stakes is a Group 1 flat horse race in Great Britain open to thoroughbreds aged three years or older. It is run at Sandown Park over a distance of 1 mile, 2 furlongs and 7 yards , and it is scheduled to take place each year in early July.-History:The event is named after Eclipse, a...

 winner Elmaamul, and multiple Group 1 winning 10 furlong specialist Halling

Halling (horse)

Halling , is a retired thoroughbred racehorse and acive sire. He is notable for completing the double of the Eclipse Stakes and the International Stakes in both 1995 and 1996.-Background:...

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He also sired North American Grade 1 winners Continuously, Husband, Rootentootenwooten, ex-English trained Storm Trooper, and 2010 Arlington Million

Arlington Million

The Arlington Million is a Grade 1 flathorse race in the United States for thoroughbred horses aged three years and upward. It is raced over a distance of 1¼ miles on the turf at Arlington Park, Arlington Heights, Illinois in August each year...

 winner Debussy

Debussy (horse)

Debussy is a thoroughbred racehorse and winner of the 2010 Arlington Million....

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