EntityQ5954159· pop 5· linked from 26 articlesCrabSign in to savehorseConnectionsGreat BritainEntityKingdom of Great BritainEntityThoroughbredEntityinbreedingEntitystallionEntityguineaEntityNewmarketEntitygrayEntityByerley TurkEntitycoltEntityJames Hamilton, 5th Duke of HamiltonEntityCharles Powlett, 3rd Duke of BoltonEntityDavid Colyear, 1st Earl of PortmoreEntitylamenessEntityLeading sire in Great Britain and IrelandEntityJames SeymourEntityCategories1722 racehorse births1750 racehorse deathsBritish Champion Thoroughbred SiresIndividual male horsesRacehorses bred in the Kingdom of Great BritainRacehorses trained in the Kingdom of Great BritainThoroughbred family 9-a