John 6:70-71

Amplified Bible, Classic Edition

⁷⁰ Jesus answered them, Did I not choose you, the Twelve? And [yet] one of you is a devil (of the evil one and a false accuser).

⁷¹ He was speaking of Judas, the son of Simon Iscariot, for he was about to betray Him, [although] he was one of the Twelve.