Whisker was retired to stud in 1819, where he became a successful and influential sire.
Another influential sire was the Thoroughbred Diomed, born in 1777.
He did not race after 1913 and was retired to stud where he became an influential sire.
He retired as a five-year old in 1930 and went on to become a successful and influential sire.
Voltaire was an influential sire of show jumpers and dressage horses.
Bolero (1975-1986) was a dressage horse and an influential sire.
While Delhi did have limited success in the stud, he is not considered to be an influential sire.
He proved to be both a very influential sire and broodmare sire.
He is considered one of the most influential sires in the 20th century.
Pharis was a very important and influential sire, producing at least 37 stakeswinners with 56 conditions race wins.