Echoes
Ptah, Osiris, Sokar and 2 more
One god under five names (Ptah, Osiris, Sokar, Apis and Serapis), across The Gift of the Nile and The Roman Inheritance.
Why the sources call them one god
He was identified in the Late Period with Sokar, the funerary god of the Memphite necropolis
through Sokar with Osiris, producing the great composite Ptah-Sokar-Osiris
he was joined to Osiris as Osiris-Sokar and later, when Ptah of Memphis was added to the compound, as Ptah-Sokar-Osiris
the dead Apis bulls were assimilated to Osiris (Osiris-Apis, hellenized as Serapis)
the dead Apis bulls were assimilated to Osiris (Osiris-Apis, hellenized as Serapis)
His Egyptian dimension came from Osiris-Apis (Asar-Hapi, the dead Apis bull identified with Osiris