Plato, Laws 930c

τε οἴκῳ καὶ τῇ πόλει. ἢν δὲ ὁ ἀνὴρ ἀποθάνῃ παῖδας ἱκανοὺς λιπών, ἡ μήτηρ τῶν παίδων αὐτοῦ μένουσα τρεφέτω· νεωτέρα δʼ ἂν δοκῇ τοῦ δέοντος εἶναι πρὸς τὸ ζῆν αὖ ὑγιαίνουσα ἄνανδρος, οἱ προσήκοντες πρὸς τὰς τῶν γάμων ἐπιμελουμένας γυναῖκας κοινούμενοι, τὸ δοκοῦν αὑτοῖς τε καὶ ἐκείναις περὶ τῶν τοιούτων ποιούντων, ἐὰν δὲ ἐνδεεῖς τέκνων ὦσιν, καὶ παίδων ἕνεκα, παίδων δὲ ἱκανότης ἀκριβὴς ἄρρην καὶ

And if the husband dies, leaving sufficient children, the mother of the children shall remain there and rear them; but if it be deemed that she is unduly young to be able to live healthfully without a husband, the relatives shall report the case to the women in charge of marriage, and shall take such action as may seem good to them and to themselves; and if there be a lack of children, they shall also act with a view to the supply of children;