It is often remarked that Lord Byron (often regarded as one of "the greatest British poets") had an incestuous relationship with his half-sister Augusta Leigh (eg here). However, other sources appear to regard this as a myth (eg here). Until recently, I presumed that this was something which we had insufficient of to confirm or deny. However, while reading the Wikipedia page on Lord Byron, I saw the following line: The biographer of Byron André Maurois who had access to the poet's archive, r...