10 And Judas Iscariot, one of the twelve, went unto the chief priests, to betray him unto them.
Mark 14:10 Cross References - KJC
Matthew 10:4
4 Simon the Canaanite, and Judas Iscariot, who also betrayed him.
Matthew 26:14-16
Mark 3:19
19 And Judas Iscariot, which also betrayed him: and they went into a house.
Luke 22:3-6
3 Then entered Satan into Judas surnamed Iscariot, being of the number of the twelve.
4 And he went his way, and communed with the chief priests and captains, how he might betray him unto them.
5 And they were glad, and covenanted to give him money.
6 And he promised, and sought opportunity to betray him unto them in the absence of the multitude.
John 6:70-71
John 13:2
2 And supper being ended, the devil having now put into the heart of Judas Iscariot, Simon's son, to betray him;
John 13:30
30 He then having received the sop went immediately out: and it was night.