You are not only blind to history your incapable of reading english as well.I said it's a guesstimate.It's obviously hard to know the exact figure for obvious reasons.May be you can tell us about your family tree so that we can pin-point how many your great great.. grandmothers were victimised in 8th century.At least you can help us in getting the exact figure? what says Reformer?? Let's get started now.