Mark 6:17
because Herod himself had sent men who arrested John, bound him with chains, and put him in prison on account of Herodias, his brother Philip's wife, whom Herod had married.
Matthew 11:2
Now when John heard in prison about the activities of the Messiah, he sent a message by his disciples
Luke 3:19-20
Now Herod the tetrarch had been rebuked by John because he had married his brother's wife Herodias and because of all of the other evil things Herod had done.
Matthew 4:12
Now when Jesus heard that John had been arrested, he went back to Galilee.
Matthew 14:3-12
Herod had arrested John, bound him with chains, and put him in prison on account of Herodias, his brother Philip's wife.
Luke 3:1
Now in the fifteenth year of the reign of Caesar Tiberius, when Pontius Pilate was governor of Judea, Herod tetrarch of Galilee, his brother Philip tetrarch of the region of Ituraea and Trachonitis, Lysanias tetrarch of Abilene,