Mark 6:19-24

19Therefore Herodias held it against him and wanted to kill him, but she could not;

20for Herod feared John, knowing that he was a just and holy man, and he protected him. And when he heard him, he did many things, and heard him gladly.

21Then an opportune day came when Herod on his birthday gave a feast for his nobles, the high officers, and the chief men of Galilee.

22And when Herodias’ daughter herself came in and danced, and pleased Herod and those who sat with him, the king said to the girl, “Ask me whatever you want, and I will give it to you.”

23He also swore to her, “Whatever you ask me, I will give you, up to half my kingdom.”

24So she went out and said to her mother, “What shall I ask?” And she said, “The head of John the Baptist!”