Message #272820

[Danaus]

Horemheb has a campaign from Byblos to Carchemish; Carchemish was a Mittani city, that fell to the Hittites under Akhenaten.  So he does have a campaign into Mitanni territory.  This is similar to Thutmose III being called Belus after a Syrian campaign.
https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&cad=rja&uact=8&ved=2ahUKEwja_7fMgZn9AhVpQjABHSF9BNoQFnoECA8QAQ&url=https%3A%2F%2Fwww.jstor.org%2Fstable%2F1356409&usg=AOvVaw1Hai5oNad3Bl3mUGgFMPi0

So that's a start... we know that Horemheb is Nereus... that this was a sea campaign and not a land campaign, that he rebuilds Avaris and calls it Ethiopia, and that he was warshipped at the island of Cos as Jupiter Aethiopis.
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I have another old unproven theory linking Ay or Ay It Netjer to Athanatos.