Alcock's Arabian
... that Alcock's Arabian , an Arabian horse imported to England in the 18th century, is putatively the ancestor of all grey Thoroughbred horses?
... that <b id="mwAog"><a href="./Alcock's_Arabian" id="mwAok" rel="mw:WikiLink" title="Alcock's Arabian">Alcock's Arabian</a></b> <i id="mwAoo">(pictured)</i>, an <a href="./Arabian_horse" id="mwAos" rel="mw:WikiLink" title="Arabian horse">Arabian</a> horse imported to England in the 18th century, is putatively the ancestor of all <a class="mw-redirect" href="./Gray_(horse)" id="mwAow" rel="mw:WikiLink" title="Gray (horse)">grey</a> Thoroughbred horses?