3 For Herod had taken John and put him in prison because of Herodias, his brother Philip's wife.
Matthew 14:3 Cross References - BBE
Matthew 4:12
12 Now when it came to his ears that John had been put in prison, he went away to Galilee;
Matthew 11:2
2 Now when John had news in prison of the works of the Christ, he sent his disciples
Mark 6:17
17 For Herod himself had sent men out to take John and put him in prison, because of Herodias, his brother Philip's wife, whom he had taken for himself.
Mark 6:19
19 And Herodias was bitter against him, desiring to put him to death; but she was not able;
Mark 6:22
22 And when the daughter of Herodias herself came in and did a dance, Herod and those who were at table with him were pleased with her; and the king said to the girl, Make a request for anything and I will give it you.
Luke 3:19-20
Luke 13:1
1 Now some people who were there at that time, gave him an account of how the blood of some Galilaeans had been mixed by Pilate with their offerings.