Alcmaeon

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A dying man gave an order that could only be obeyed by a crime. Amphiaraus, the Argive seer who had marched against Thebes knowing the earth would swallow him there, charged his sons before he went: when they were grown, they were to kill their mother. She had sent him to his death. Eriphyle, bribed with the necklace of Harmonia, had overruled her husband’s foresight and forced him into the expedition he knew would end him — and so the seer’s last word to his children was a sentence passed on the woman who had borne them. To honor the father was to murder the mother. To spare the mother was to leave the father unavenged. Alcmaeon, the elder son, lived inside that bind, and the myth that bears his name is the working-out of it.

Polynices offers Eriphyle the necklace of Harmonia, the bribe that doomed Amphiaraus; Attic red-figure oinochoe attributed to the Mannheim Painter, c. 450 BC, Louvre — photograph by Jastrow, via Wikimedia Commons (public domain).

He was a hero of the Theban cycle, son of the seer-warrior Amphiaraus and of Eriphyle, remembered above all for killing his own mother and for the madness that came after. The Greeks set his story beside that of Orestes, the other great matricide of legend, and the pairing was deliberate and old: two sons who killed a parent at a dead father’s bidding, and were hunted afterward by the avenging Erinyes. The two cases were felt as a single problem given two bodies. Their endings, as will be seen, were not the same.

The chain of the necklace

The departure of Amphiaraus, who glances back at Eriphyle as he mounts his chariot for the doomed march on Thebes; the Amphiaraos Krater, a Late Corinthian column krater of c. 560 BC (formerly Antikensammlung Berlin F 1655), reproduced in Furtwängler and Reichhold’s Griechische Vasenmalerei, via Wikimedia Commons (public domain).

The guilt did not begin with Alcmaeon. It began a generation earlier, with an object. The necklace of Harmonia was a wedding gift forged for the founding queen of Thebes — beautiful, and (in the form the story took) ruinous to every house that held it. Its first work in this lineage was to corrupt a judgment that should have stood. When the Seven gathered to restore Polynices to Thebes, Amphiaraus alone read the omens and knew the war was lost before it began; he would not go. But Polynices bribed Eriphyle with the necklace, and she, having a standing right to settle quarrels between her husband and Adrastus her brother, cast the deciding voice and sent Amphiaraus out. He went because he had sworn to abide by her arbitration. The earliest surviving notice of her is in the underworld catalog of the Odyssey, where she stands among the dead heroines as the woman who took gold for the life of her own husband — the crime fixed in a single line before any of the later poets enlarged it.

The bribe doubled. Years later, when the sons of the fallen Seven prepared their second campaign, Polynices’ son Thersander used the same lever on the same woman: he bribed Eriphyle a second time, now with the robe of Harmonia, to send her own sons to war as she had sent her husband. So the same necklace and the same robe — the matched gifts of the Theban queen — run through the whole sequence, buying a father’s death and then pushing his avengers into the field. They will return at the end to kill the avenger himself. The story is, at bottom, the biography of two cursed ornaments and the people they pass through.

The Epigoni and the matricide

Alcmaeon led the Epigoni, the sons of the seven champions who had died at the walls, in the second war against Thebes — the campaign that succeeded where their fathers had failed and took the city. (The war itself, and the long tale of the Seven, belong to the larger Theban story; what matters here is its hinge.) The expedition delivered Alcmaeon his victory and, with it, the obligation he had been raised to discharge. Learning fully now how his mother had been bought — first to doom his father, then to spend her sons in turn — he carried out Amphiaraus’s old injunction and killed Eriphyle.

The deed sits at the exact center of the figure, and the tradition could not quite settle its timing. In the most familiar arrangement, preserved by the mythographer Apollodorus, the matricide follows the fall of Thebes: the returning victor, told of the bribe, strikes his mother down. But an older strand, associated with the lost epic that bore his name, seems to have had Amphiaraus command the killing — and Alcmaeon perform it — before the Epigoni ever marched, which leaves no clean room for the Furies to hound him through a war he had yet to fight. The versions cannot be reconciled, and no late editor forced them into one. What every version keeps is the act and its impossible justice: a command obeyed is a horror committed; the son is dutiful and damned in the same motion.

Madness, and a land with no past

The Erinyes drive Alcmaeon from the corpse of his mother, Eriphyle, whom he has killed; drawing by Henry Fuseli (Johann Heinrich Füssli), 1821, Kunsthaus Zürich, via Wikimedia Commons (public domain).

What follows the killing obeys the oldest Greek grammar of blood-guilt: pollution, and flight. The Erinyes — the spirits that rise from a murdered kinsman’s blood — drove Alcmaeon mad, and he wandered, as Orestes wandered, looking for a ground that could take his stain. He came first to Psophis in Arcadia, to the house of King Phegeus, who purified him; there he married Phegeus’s daughter Arsinoe (called Alphesiboea in some accounts) and gave her the necklace and robe of Harmonia, the very ornaments that had begun everything. But purification did not hold. The land around him went barren — the earth itself recoiling from the matricide — and he had to move again.

Here the myth produces its strangest and most exact image.

The Temple of Apollo at Delphi, whose oracle directed Alcmaeon to settle on land newer than his mother’s death — photograph by Annatsach, via Wikimedia Commons (CC BY-SA 4.0).

The oracle at Delphi told him that the avenging spirit of his mother could not follow him onto any earth that had existed when she died; he had to stand on ground that had no part in the crime because it had not yet been there to witness it. The only such place was land newer than the murder. He found it at the mouth of the river Achelous, where the river’s silt had built up fresh alluvial islands and a delta that postdated Eriphyle’s death — soil with no past, and so no guilt. On that new-made shore the Furies lost their footing, and Alcmaeon was finally cured. The historian Thucydides reports the same tradition without the madness, soberly: that Alcmaeon, by the god’s word, settled the newly formed land at the Achelous and that the region of Acarnania took its name from his son Acarnan. A myth’s purification and a historian’s account of how a district got its name are here the same event, told in two registers.

The double marriage and the return of the gift

On that ground Alcmaeon married a second time, to Callirhoe, daughter of the river-god Achelous, and by her had two sons, Acarnan and Amphoterus. The peace did not last, and the instrument of its undoing was, once more, the necklace. Callirhoe heard of the famous ornaments of Harmonia — now in the keeping of his first wife’s family — and would not live with him unless she had them. Alcmaeon went back to Psophis and lied to Phegeus: he claimed an oracle required him to dedicate the necklace and robe at Delphi to be free of his madness for good, and Phegeus, believing him, gave them up. A servant let slip the truth — that the treasures were bound for Callirhoe — and Phegeus, betrayed, set his sons in ambush. They killed Alcmaeon on the road.

The chain did not stop with him. Callirhoe, the story runs, prayed that her infant sons might be made grown men at once to avenge their father; the prayer was granted, and the suddenly adult Acarnan and Amphoterus tracked down Phegeus’s sons — who were themselves carrying the necklace and robe to Delphi — killed them, and then killed Phegeus and his queen at Psophis. The ornaments were at last dedicated at Delphi, removed from the world of the living. The same gift that bribed Eriphyle, doomed Amphiaraus, drove Alcmaeon, and killed him passes out of the story only when it is given to a god. Every death in four generations trails back to it.

The lost record

Alcmaeon’s story was prominent in archaic and classical Greece, and is now almost wholly lost. A whole early epic, the Alcmeonis (or Alcmaeonis), took his name; it belonged to the Theban Cycle alongside the Oedipodea, the Thebaid, and the Epigoni, was composed in hexameter somewhere in the long span between the eighth and sixth centuries, and survives only in about seven scattered ancient citations, its author unknown even in antiquity. From those fragments scholars gather that it told the matricide and likely set Alcmaeon’s deed in explicit parallel to Orestes’ — the pairing thus goes back to the oldest layer of the tradition, not to a late comparison. What little of the epic’s wording survives is collected in M. L. West’s edition of the Greek epic fragments.

The Athenian stage took the figure up repeatedly, and lost almost all of it. Sophocles is recorded to have written an Epigoni, an Eriphyle, and an Alcmeon — all gone. Euripides wrote two plays: Alcmaeon in Psophis, produced in 438 BC in the same tetralogy as the surviving Alcestis, which dramatized the earlier, Arcadian phase of the story; and Alcmaeon in Corinth, staged after his death in 405 BC in the celebrated final trilogy with the Bacchae and Iphigenia in Aulis, which followed a separate Corinthian strand concerning his children. Of both, only fragments and summaries remain. Later tragedians — Astydamas, Agathon, Timotheus — returned to him as well, and their work is lost too. A figure who once anchored an epic and at least five tragedies now reaches us mainly through the prose mythographers: Apollodorus, who preserves the fullest connected narrative; Pausanias, who reports the new-land oracle and notes Alcmaeon’s grave and cult at Psophis; Thucydides and the geographers, who carry the Acarnanian foundation; Diodorus and the Latin poets, who keep fragments of the rest.

What modern scholarship can establish is therefore the shape of the tradition rather than any single authoritative version. Timothy Gantz, whose Early Greek Myth (1993) remains the standard guide to the literary and artistic sources, treats Alcmaeon as a composite reconstructed from these incompatible notices, the variant chronologies of the matricide left standing side by side because the evidence does not let them be merged. The textual fragments themselves are gathered in M. L. West’s Greek Epic Fragments. The figure is attested widely and deeply; the canonical account is a modern stitching of a torn fabric.

The seer’s blood

The prophetic strain ran in the line and did not save it. Amphiaraus was a true seer who foretold his own death and went to it anyway, bound by an oath; his foresight bought him nothing because the corruption of his wife’s judgment overrode it. The pattern — clear sight that cannot avert the thing it sees — belongs to a wider family of Greek prophet-figures whose knowledge is exact and useless against fate: the sea-god Glaucus, granted foresight and unable to bend it; the nymph Oenone, who read her own abandonment in advance and could not stop it. Alcmaeon inherits the seer’s blood without the seer’s gift, and is left only with the fate. He does not foresee; he obeys, and is destroyed by the obedience. Around him the apparatus of divination — the oracle that names the new land, the final dedication of the necklace at the god’s own shrine — works perfectly and mercilessly, arranging his cure and his death with the same hand.

The interest the figure held for the Greeks lay in the bind itself. A father’s command and a mother’s blood pulled in opposite directions, and obedience to one was a crime against the other; the law of vengeance and the horror of kin-murder could not both be honored. That the same impasse was given two heroes, Alcmaeon and Orestes, suggests it was the dilemma, not the man, that the tradition was working through — a question about justice that mere justice could not close. Where Orestes was finally acquitted, Alcmaeon found no such release. He was purified, and then undone, by the same cursed gift that had set the whole sequence moving.

→ Related: Oenone · Glaucus · Amphiaraus · Orestes · Harmonia · Oedipus · Cadmus · Delphi · Tiresias · Divination · Prophecy · Fate