Matthew 14:3–4
3 For Herod had seized John and bound him and put him in prison for the sake of Herodias, his brother Philip’s wife,1 4 because John had been saying to him, “It is not wlawful for you to have her.”
Mark 6:17–18
17 For it was Herod who had sent and seized John and bound him in prison for the sake of Herodias, his brother Philip’s wife, because he had married her. 18 For John had been saying to Herod, “It is not clawful for you to have your brother’s wife.”