17 For Herod himself had sent out and arrested John, and bound him in prison for the sake of Herodias, his brother Philip's wife, for he had married her.
Mark 6:17 Cross References - NHEB
Matthew 4:12
12 Now when he heard that John was delivered up, he withdrew into Galilee.
Matthew 11:2
2 Now when John heard in the prison the works of the Christ, he sent [a message] by his disciples
Matthew 14:3-12
3 For Herod had arrested John, and bound him, and put him in prison for the sake of Herodias, his brother Philip's wife.
4 For John said to him, "It is not lawful for you to have her."
5 And though he wanted to kill him, he feared the crowd because they regarded him as a prophet.
6 But when Herod's birthday came, the daughter of Herodias danced among them and pleased Herod.
7 Whereupon he promised with an oath to give her whatever she should ask.
8 And she, being prompted by her mother, said, "Give me here on a platter the head of John the Baptist."
9 And 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,
10 and he sent and beheaded John in the prison.
11 And his head was brought on a platter, and given to the young woman: and she brought it to her mother.
12 Then his disciples came, and took the dead body, and buried him; and they went and told Jesus.
Luke 3:1
1 Now in the fifteenth year of the reign of Tiberius Caesar, Pontius Pilate being governor of Judea, and Herod being tetrarch of Galilee, and his brother Philip tetrarch of the region of Ituraea and Trachonitis, and Lysanias tetrarch of Abilene,