Mark 6:17

Christian Standard Bible Anglicised

For  Herod himself had given orders to arrest John and to chain  him in prison on account of Herodias,  his brother Philip’s wife, because he had married her.

Cross References

Matthew 11:2

Now when John heard in prison what the Christ was doing, he sent a message through his disciples

Luke 3:1

In the fifteenth year of the reign of Tiberius Caesar, while Pontius Pilate was governor of Judea,  Herod was tetrarch  of Galilee,  his brother Philip tetrarch of the region of Iturea and Trachonitis, and Lysanias tetrarch of Abilene,

Matthew 4:12

When he heard that John had been arrested,  he withdrew into Galilee.

Mark 6:16

When Herod  heard of it, he said, ‘John,  the one I beheaded, has been raised! ’

John 3:24

since John had not yet been thrown into prison.