en_tn_lite_do_not_use/jhn/20/25.md

disciples later said to him

The word "him" refers to Thomas.

Unless I see ... his side, I will not believe

You can translate this double negative in a positive form. Alternate translation: "I will believe only if I see ... his side" (See: rc://en/ta/man/jit/figs-doublenegatives)

in his hands ... into his side

The word "his" refers to Jesus.