Mark 6:18-20 For John said unto Herod, It is not lawful for thee to have thy brother's wife.

JPS_ASV_Byz⁽ⁱ⁾ ¹⁸ For John said unto Herod, It is not lawful for thee to have thy brother's wife. ¹⁹ And Herodias set herself against him, and desired to kill him, and she could not, ²⁰ for Herod feared John, knowing that he was a righteous and holy man, and kept him safe. And when he heard him, he did many things, and he heard him gladly.