Hugh Nelson was a son of William Nelson and Elizabeth Burwell Nelson of Yorktown. He married Judith Page in late 1770 or 1771. His portrait was destroyed by a fire in 1899. His portrait is attributed to Peale based on the existence of a portrait of his wife.
See: Charles Coleman Sellers, “Charles Willson Peale with Patron and Populace. A Supplement to “Portraits and Miniatures by Charles Willson Peale,” Transactions of the American Philosophical Society 59, 3 (1969), 73.