The throne
Mourner, mother and magician
Her name, Aset in Egyptian, is the word for a seat or throne, and the throne is what she wears on her head. The oldest sense of her is probably just that: the king's seat, personified as the mother who holds him. She is there in the Pyramid Texts of about 2350 BC as one of the two sisters who search for the dead Osiris, weep over him and gather his bones, and as the mother of Horus, who takes his father's place. The three roles never left her. Every widow's lament was hers, every sick child was Horus in the marshes, every mummy was Osiris under her wings.
Her weapon is speech. Egyptian magic, heka, was a legitimate power that the gods themselves used, and Isis was “great of magic” beyond all of them. The spells against scorpions and snakes copied on stelae and papyri from the New Kingdom to the Roman period are put into her mouth, and in the best known of them she outwits the sun-god and learns his hidden name. She has an amulet of her own, the tyet, a knot like an ankh with its arms folded down, cut in red jasper and laid at the mummy's throat. Its spell, Book of the Dead 156, says in paraphrase that Isis has her blood, her power and her magic, and that the amulet guards this Great One against wrongdoers.
The mother of the king
Horus in the marshes, Hathor's horns
In the story she is the widow who keeps the kingdom for her son. She hides the infant HorusGod: Horus. Falcon of the sky, son of Osiris, the god every king was in the papyrus thickets of Chemmis, near Buto, nurses him, cures him of scorpion sting and fever, and when he is grown argues his case before the gods; in the Contendings of Horus and Seth she is the cleverest person at the trial and once its victim, when her son in a rage cuts off her head; later tellings, Plutarch's among them, have Thoth give her a cow's. The image of Isis seated with Horus at her breast is among the commonest in Egyptian art, cast in bronze by the thousand in the Late Period, and the Christians of Egypt did not have to look far for the type of the Virgin and Child.
From the New Kingdom she takes over Hathor's crown, cow's horns round the sun disc, and with it Hathor's place as nurse of the king and lady of the sky; on the walls of Abydos and Dendera the two goddesses can be told apart only by their captions. By the Ptolemaic period she has the great temples: Philae, on an island at the First Cataract, where the Nubians came to worship her too, and Behbeit el-Hagar in the Delta, begun in dark granite by the last native kings.
Isis in Rome
From Philae to the Thames
Greek settlers in Egypt took her up early. Herodotus called her Demeter; Egyptian merchants were allowed a temple of hers at the Piraeus in 333 BC, and Alexandria's sailors and merchants carried her to Delos and Italy; Pompeii had a temple of Isis before it had a Roman colony. In Rome her altars were pulled down more than once under the Republic and Augustus kept her outside the sacred boundary, but Caligula built her a temple on the Campus Martius, and by the second century AD there were shrines of Isis from Nubia to London. The Greek hymns called aretalogies make her speak for herself: I am Isis, ruler of every land; I gave laws to mankind; I separated the earth from the sky; I showed the stars their paths. Apuleius, in the last book of the Metamorphoses, has her rise from the sea in a black mantle sewn with stars and tell the hero that she is the one goddess whom the whole world worships under different names.
She outlasted the other gods. The last dated hieroglyphic inscription in Egypt was cut in her temple at Philae in AD 394, and the priests there were still serving her when Justinian's officers closed it, about AD 535, and turned it into a church. By then the shape she had given to the grieving mother and the nursing mother had already passed into the new religion.