Responses
Even now?
Yea, that's exactly why they ended up with with so many genetic problems/diseases. Part of the reason why they didn't live long.
But not full siblings
If you’re talking about the British royal family they married first cousins. As if that isn’t bad enough but siblings woulda been insane.
lmao, that was actually really happening among royals back then not only back then actually, it's still happening until now all for the sake of pure blood