NET
64 But there are some of you who do not believe.” (For Jesus had already known from the beginning who those were who did not believe, and who it was who would betray him.)
Darby
64 But there are some of you who do not believe. For Jesus knew from the beginning who they were who did not believe, and who would deliver him up.
KJV
64 “But there are some of you that believe not.” For Jesus knew from the beginning who they were that believed not, and who should betray him.