This man was the Deputy Earl Marshal to the third British monarch of the House of Hanover.
Lord Henry Howard-Molyneux-Howard: Lord Henry Thomas Howard-Molyneux-Howard (7 October 1766 – 17 June 1824), known as Henry Howard until 1812 as Henry Molyneux-Howard until 1817, was a British gentleman who served as Deputy Earl Marshal in the latter part of the reign of George III and early in the reign of George IV. George III of the United Kingdom:  He was the third British monarch of the House of Hanover, but unlike his two predecessors, he was born in Britain, spoke English as his first language, and never visited Hanover.
Lord Henry Thomas Howard-Molyneux-Howard