Horacio the handsnake - Augustus FitzRoy, 3rd Duke of Grafton
Charles FitzRoy, 2nd Duke of Grafton
Henry FitzRoy, 1st Duke of Grafton
Pope Joan (horse) - Video Learning - WizScience.com
Augustus Henry FitzRoy, 3rd Duke of Grafton,, styled Earl of Euston between 1747 and 1757, was a British Whig statesman of the Georgian era. He is one of a handful of dukes who have served as Prime Minister.