Mark 14:10-12

10Then Judas Iscariot went to the leaders of the priests. He said that he would help them to catch Jesus. (Judas was one of Jesus' 12 apostles.)

11The leaders of the priests were very happy about this. They promised to give Judas some money. Then Judas waited for the right moment to help them to take hold of Jesus.

12The first day of the festival when the Jews eat flat bread arrived. On this day, each family kills a young sheep for the Passover meal. Jesus' disciples said to him, ‘We will go to prepare the Passover meal for you. Where do you want us to do that?’