Generate a realistic portrait of a 19th-century British aristocrat: Byron King-Noel, 12th Baron Wentworth, depicted in formal attire, reflecting his titles of 12th Baron Wentworth and 2nd Earl of Lovelace, with a backdrop that subtly hints at his notable lineage, including his grandmother Anne Isabella Milbanke, Lord Byron, and his parents William King-Noel, 1st Earl of Lovelace, and Ada Lovelace, emphasizing his connection to these historical figures.