For I received from the Lord what I also passed on to you, that the Lord

"For it was from the Lord that I heard what I told you, and it was this: the Lord"

on the night when he was betrayed

This can be stated in active form. Alternate translation: "on the night that Judas Iscariot betrayed him" (See: rc://en/ta/man/translate/figs-activepassive)