The Ptolemies of Egypt had a similar problem.
They wed siblings and cousins when necessary to try to prevent rival claimants to the throne but they had plenty of them anyway. In fact that's precisely what was happening in Egypt when Caesar showed up in pursuit of Pompey.
They wed siblings and cousins when necessary to try to prevent rival claimants to the throne but they had plenty of them anyway. In fact that's precisely what was happening in Egypt when Caesar showed up in pursuit of Pompey.