Complex sentence: Victor Fanso believes that the Sao were the descendants of the Hyksos who conquered Ancient Egypt in the sixteenth century BCE who may have moved southwest from the Nile valley into middle Africa in several waves under pressure from Arab invaders.
Split into simpler sentences: Victor Fanso believes that the Sao were the descendants of the Hyksos who conquered Ancient Egypt in the sixteenth century BCE. They may have moved south from the Nile valley into middle Africa in several waves under pressure from Arab invaders.