osiris4dOsiris is the Egyptian Lord of the Underworld and Judge of the Dead, brother-husband to Isis, and one of the most important gods of ancient e name `Osiris' is the Latinized form of the Egyptian Usir which isOsiris , Ancient Egyptian god of the underworld.Osiris was slain by the god Seth, who tore apart the corpse and flung the pieces all over cording to some accounts, the goddess Isis,