Luke 9:7

And Herod the tetrarch heard of all that was taking place, and was perplexed; because it was said by some that John had risen from the dead;

Matthew 14:1-12

At that time Herod the tetrarch heard of the fame of Jesus,

Mark 6:14-28

And king Herod heard of him (for his name was spread abroad), and he said, John the Baptizer hath risen from the dead, and therefore do these powers work in him. But others said, It is Elijah.

Luke 3:1

Now in the fifteenth year of the reign of Tiberius Caesar, Pontius Pilate being governor of Judaea, and Herod tetrarch of Galilee, and his brother Philip tetrarch of Ituraea and of the region of Trachonitis, and Lysanias tetrarch of Abilene,

Luke 9:19

And they answering said, John the Baptist; and others, Elijah; and others, that one of the old prophets hath risen.

Luke 21:25

And there will be signs in the sun and moon and stars; and on the earth distress of nations, in perplexity at the roaring of the sea and waves;

Treasury of Scripture Knowledge

Summary

Now Herod the tetrarch heard of all that was done by him: and he was perplexed, because that it was said of some, that John was risen from the dead;

General references

Bible References

He

Luke 21:25
And there will be signs in the sun and moon and stars; and on the earth distress of nations, in perplexity at the roaring of the sea and waves;

General references

John 3:24
For John was not yet thrown into prison.