Try posting this question on https://reddit.com/r/askhistorians https://reddit.com/r/askhistorians maybe? They often have in-depth, comprehensive answers, that

Try posting this question on https://reddit.com/r/askhistorians https://reddit.com/r/askhistorians maybe? They often have in-depth, comprehensive answers, that go into the evidence we have available edit: anyway this comment https://news.ycombinator.com/item?id=28663948 https://news.ycombinator.com/item?id=28663948 has some pointers