What Is Herodians in the Bible?
Person
The supporters of King Herod Antipas. They joined with some Pharisees against Jesus.
Where it appears in the Bible
Mark 3:6; Mark 12:13
What the Bible says
Mark 3:6
And the Pharisees going out, immediately made a consultation with the Herodians against him, how they might destroy him.
Mark 12:13
And they sent to him some of the Pharisees and of the Herodians; that they should catch him in his words.
Douay-Rheims Bible (Challoner revision), public domain.
Source: NAB note on Mark 3:6