So Herodias nursed a grudge against him and wanted to kill him. But she could not

For Herod himself had sent men, arrested John, and bound him in prison on account of Herodias, his brother Philip’s wife, because Herod had married her.

When his daughter Herodias came in and danced, she pleased Herod and his dinner guests. The king said to the girl, “Ask me for whatever you want and I will give it to you.”