Luke 23:7

And knowing that He belonged to Herod's jurisdiction, he sent Him to Herod, who himself was also at Jerusalem at that time.

Luke 3:1

And in the fifteenth year of the government of Tiberius Caesar, Pontius Pilate being governor of Judea, and Herod being tetrarch of Galilee, and his brother Philip tetrarch of Iturea and the Trachonitus country, and Lysanias the tetrarch of Abilene--

Luke 13:31

The same day there came certain of the Pharisees, saying to Him, Go out and depart from here, for Herod will kill you.

Matthew 14:1

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

Treasury of Scripture Knowledge

Summary

And as soon as he knew that he belonged unto Herod's jurisdiction, he sent him to Herod, who himself also was at Jerusalem at that time.

Bible References

Herod's

Luke 3:1
And in the fifteenth year of the government of Tiberius Caesar, Pontius Pilate being governor of Judea, and Herod being tetrarch of Galilee, and his brother Philip tetrarch of Iturea and the Trachonitus country, and Lysanias the tetrarch of Abilene--
Luke 13:31
The same day there came certain of the Pharisees, saying to Him, Go out and depart from here, for Herod will kill you.