Matthew
Matthew 14:2BSB·traditional attribution

and said to his servants, “This is John the Baptist; he has risen from the dead! That is why miraculous powers are at work in him.”

John Calvin Reformed @genevareformer

2. And said to his servants. From the words of Luke it may be inferred, that Herod did not of his own accord adopt this conjecture, but that it was suggested to him by a report which was current among the people.

Matthew Henry Presbyterian @wholebiblehenry

We have here the story of John's martyrdom. Observe, I. The occasion of relating this story here, Mat 14:1, Mat 14:2. Here is, 1. The account brought to Herod of the miracles which Christ wrought. Herod the tetrarch or chief governor of Galilee heard of the fame of Jesus.

Commenting on Matthew 14:1-12

John Gill Reformed Baptist @doctorgill

And said unto his servants,.... Those of his household, his courtiers, with whom he more familiarly conversed; to these he expressed his fears, that it might be true what was suggested by the people, and he was ready to believe it himself; this is John the Baptist: some copies add, "whom I have beheaded", as in Mar 6:16 the guilt of which action rose in...