69 Although most (א A W Θ Ψ f1 𝔐 it sy bo) read πρὸς τὸν Ἰησοῦν (pros ton Iēsoun, “to Jesus”), other important witnesses (B L Ξ f13 33 sa) read πρὸς τὸν κύριον (pros ton kurion, “to the Lord”). A decision is difficult in this instance, as there are good witnesses on both sides. In light of this, that “Jesus” is more widespread than “the Lord” with almost equally important witnesses argues for its authenticity.
70 Grk “to Jesus, saying,” but since this takes the form of a question, it is preferable to use the phrase “to ask” in English.
71 Aspects of Jesus’ ministry may have led John to question whether Jesus was the promised stronger and greater one who is to come that he had preached about in Luke 3:15–17.

In other versions

calling two of his disciples to him, sent them to the Lord, saying, “Are you the one who is to come, or shall we look for another?”

he sent them to the Lord to ask, “Are you the one who is to come, or should we expect someone else?”

and sent them to the Lord, asking, “Are you the one who is to come, or should we expect someone else?”

and he sent them to the Lord to ask him, “Are you the Messiah we’ve been expecting, or should we keep looking for someone else?”

sent them to the Lord, saying, “Are you the one who is to come, or should we look for another?”

And John calling unto him two of his disciples sent them to Jesus, saying, Art thou he that should come? or look we for another?

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