OpenLXX
Genesis 4

Genesis 4:15

Septuagint · public domain
Thomson 1808
And the Lord said to him, “Not so. Whosoever killeth Cain shall suffer sevenfold vengeance.” And the Lord God gave a sign to Cain, that whoever found him would not kill him.
Brenton 1851
And the Lord God said to him, Not so, any one that slays Cain shall suffer seven-fold vengeance; and the Lord God set a mark upon Cain that no one that found him might slay him.
Greek · Brenton
Καὶ εἴπεν αὐτῷ Κύριος ὁ Θεὸς, οὐχ οὕτω· πᾶς ὁ ἀποκτείνας Κάϊν, ἑπτὰ ἐκδικούμενα παραλύσει. Καὶ ἔθετο Κύριος ὁ Θεὸς σημεῖον τῷ Κάϊν, τοῦ μὴ ἀνελεῖν αὐτὸν πάντα τὸν εὑρίσκοντα αὐτόν.