General Stud Book, Vol. IX, p.259
First English Triple Crown winner. Sire of breeder Mr. Robert Charles Earl de Gray VYNER, Esq. (b. 1842 London - 1915), Fairfield Stud Farm, near York. Sire of THE WIZARD (*1857, breeder Lord Durham), purchesed in 1862 of Landstallmeister von Goetzen for Prussia/Saxony (Preußen/ Sachsen) as sire for the Stud "Königliches Haupt-Gestüt GRADITZ", near Torgau/Saxony/Germany. (Story of THE WIZARD of GERMAN: DER SPORN, 1874, Vol. XII, ps. 75-77, with Pedigree.