en_tn/jhn/12/16.md

General Information:

John, the writer, interrupts here to give the reader some background information about what the disciples later understood. (See: rc://en/ta/man/jit/writing-background)

His disciples did not understand these things

Here the words "these things" refer to the words that the prophet had written about Jesus.

when Jesus was glorified

You can translate this in an active form. Alternate translation: "when God glorified Jesus" (See: rc://en/ta/man/jit/figs-activepassive)

they had done these things to him

The words "these things" refer to what the people did when Jesus rode into Jerusalem on a donkey (praising him and waving the palm branches).