Matthew 14:6

For Herod had arrested John, bound him, and put him in prison for the sake of Herodias, his brother Philip’s wife.

For John said to him, “It is not lawful for you to have her.”

When he would have put him to death, he feared the multitude, because they counted him as a prophet.

Therefore he promised with an oath to give her whatever she should ask.

She, being prompted by her mother, said, “Give me here on a platter the head of John the Baptizer.”

The king was grieved, but for the sake of his oaths and of those who sat at the table with him, he commanded it to be given,