Plato, Laws 868d

κατελθόντων δὲ τῶν κτεινάντων, ἀπαλλάττεσθαι γυναῖκά τε ἀπʼ ἀνδρὸς καὶ τὸν ἄνδρα ἀπὸ γυναικός, καὶ μή ποτʼ ἔτι κοινῇ παιδοποιήσασθαι, μηδὲ συνέστιον ὧν ἔκγονον ἢ ἀδελφὸν ἀπεστέρηκε γίγνεσθαί ποτε μηδὲ κοινωνὸν ἱερῶν· ὁ δὲ ἀσεβῶν τε περὶ ταῦτα καὶ ἀπειθῶν ὑπόδικος ἀσεβείας γιγνέσθω τῷ ἐθέλοντι. γυναῖκα δὲ γαμετὴν ἐὰν ἀνὴρ διʼ ὀργὴν κτείνῃ

and when the slayers have returned, the wife must be separated from the husband and the husband from the wife, and they must never again have a child, nor shall they ever share a home with those whom the slayer has robbed of child or brother, nor shall they take part in their worship; he that is disobedient and impious concerning this matter shall be liable to an action for impiety at the hands of whoso pleases. And if a husband in a fit of rage kills his wedded wife, or if a wife in like manner kills her husband, they must undergo