Parallel
Exodus 11:5
Rahlfs Septuagint (1935) · Berean Standard Bible
καὶ τελευτήσει πᾶν πρωτότοκον ἐν γῇ Αἰγύπτῳ ἀπὸ πρωτοτόκου Φαραω ὃς κάθηται ἐπὶ τοῦ θρόνου καὶ ἕως πρωτοτόκου τῆς θεραπαίνης τῆς παρὰ τὸν μύλον καὶ ἕως πρωτοτόκου παντὸς κτήνους
and every firstborn son in the land of Egypt will die, from the firstborn of Pharaoh who sits on his throne, to the firstborn of the servant girl behind the hand mill, as well as the firstborn of all the cattle.