Mark 14:10-12

10And 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. And he sought how he might conveniently betray him.

12And the first day of unleavened bread, when they killed the passover, his disciples said to him, Where wilt thou that we go and prepare that thou mayest eat the passover?1