Parallel
Genesis 20:12
Rahlfs Septuagint (1935) · Berean Standard Bible
καὶ γὰρ ἀληθῶς ἀδελφή μού ἐστιν ἐκ πατρός ἀλλ᾿ οὐκ ἐκ μητρός ἐγενήθη δέ μοι εἰς γυναῖκα
Besides, she really is my sister, the daughter of my father—though not the daughter of my mother—and she became my wife.