Lieutenant-Colonel Charles Fox Canning
3rd regiment of Foot Guards
ADC to lord Wellington
Charles Fox Canning was an aide-de-camp of the Duke of Wellington at Waterloo, where he was killed late in the battle.
Towards the close of the action, Lieutenant-Colonel Canning received orders from the Duke to carry an important message to a distant part of the line: he had delivered it, and was returning, when a grape-shot struck him in the stomach. He died in the arms of his friend, the Lord March
In my opinion this site is the best source of uniform reference for the 100 days (Waterloo) campaign: