Genesis 4:9

Καὶ εἶπε Κύριος ὁ Θεὸς πρὸς Κάϊν· ποῦ ἔστιν Ἄβελ ὁ ἀδελφός σου; καὶ εἶπεν, οὐ γινώσκω· μὴ φύλαξ τοῦ ἀδελφοῦ μου εἰμὶ ἐγώ;