Actually validating this might be impossible, after all there can be multiple people with that name during that time period, and even if we find a proof of one of those persons, there is no way verify if he was the one from the stories.
The only way to verify the book is by verifying the possibility of the illogical BS in the book.....which can only be done after one decides to thow out common sense and sanity, out of the window.
The only way to verify the book is by verifying the possibility of the illogical BS in the book.....which can only be done after one decides to thow out common sense and sanity, out of the window.