The Duke himself is interesting: last “prerogative” Commander in Chief of the Royal Army before it was brought under the direct authority of the War Office, He was the sort of RHIP aristocratic conservative that caused the 19th century laissez faire movement to be described as “Liberal” by comparison. Two quotes, from his Wikipedia article, are apt:
Perhaps the provision of a bale of hay for his horse is giving belated recognition to the brains of the team?