Mark 6:19-21

Herodias had a grudge against him and wanted to put him to death and could not do so; for Herod was afraid of John, knowing that he was a righteous and holy man, and he kept him safe. And when he heard him, he was very perplexed; but he used to enjoy listening to him. A strategic day came when Herod on his birthday gave a banquet for his lords and military commanders and the leading men of Galilee