She eventually concluded that every imported grey stallion she could find sufficient information to review was the same horse as Alcock's Arabian.

[4] In any event, he was in England by 1704, ending up recorded in the General Stud Book in the hands of a man named Alcock who was a farmer and breeder in Lincolnshire.

[1][8] His status as the progenitor of all grey Thoroughbreds was the subject of a question on Episode 12 of Series H of the BBC comedy panel game QI.

[9] As Alcock's Arabian had a prominent sire line in the Thirteen Colonies - particularly Samuel Galloway III's Selim (b.

1762), a stallion by Janus II, also a grandson of the Godolphin Arabian - prior to the American Revolutionary War, but many breeding records were lost, it is remotely possible that unrecorded descendants of his sire line still exist.