The answer there seems to be "it's complicated", and some cursory research turns up a whoooooole lot of what I'd characterize as "angry nationalist arguments" t

The answer there seems to be "it's complicated", and some cursory research turns up a whoooooole lot of what I'd characterize as "angry nationalist arguments" that makes it difficult to get a good picture of what might have been going on a thousand years ago. Majority Arab with a healthy mix of black people seems reasonable, though.