Mark 14:10-12

10Then Judas Iscariot, one of the twelve, went to the chief priests to betray Him to them.

11And when they heard it, they were glad, and promised to give him money. So he sought how he might conveniently betray Him.

12Now on the first day of Unleavened Bread, when they killed the Passover lamb, His disciples said to Him, “Where do You want us to go and prepare, that You may eat the Passover?”