Parallel
Matthew 11:14
Nestle 1904 Greek New Testament · Berean Standard Bible
καὶ εἰ θέλετε δέξασθαι αὐτός ἐστιν Ἠλίας ὁ μέλλων ἔρχεσθαι
And if you are willing to accept it, he is the Elijah who was to come (note: See Malachi 4:5.).