Parallel
Numbers 8:18
Rahlfs Septuagint (1935) · Berean Standard Bible
καὶ ἔλαβον τοὺς Λευίτας ἀντὶ παντὸς πρωτοτόκου ἐν υἱοῖς Ισραηλ
But I have taken the Levites in place of all the firstborn among the sons of Israel.