What did the major ancient Egyptian deity, whom the Greeks identified the aspect of the god with, appear as a member of?
Hera Ammonia:  The inhabitants of that city had from the earliest times been in the habit of consulting the oracle of Zeus-Ammon--the aspect of the god the Greeks identified with the Egyptian Amun--in Libya. Amun: Amun (also "Amon, Ammon, Amen"; Greek Ἄμμων "Ámmōn", Ἅμμων "Hámmōn") was a major ancient Egyptian deity who appears as a member of the Hermopolitan ogdoad.
Hermopolitan ogdoad