Dr Rob describes the horrible levels of inbreeding within the ancient Egyptian royal family and how this affected them over time. This includes the problems we see in the mummies of King Tut and his father Akhenaten, plus further up the family tree in the time of Hatshepsut (who may have been the princess who drew Moses out of the Nile) and much later in time during the Ptolemies (Cleopatra only had three great-grandparents!).

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