en_tn_condensed/mat/26/29.md

I say to you

This adds emphasis to what Jesus says next.

fruit of the vine

This is an idiom. Alternate translation: "wine" (See: rc://en/ta/man/jit/figs-idiom)

in my Father's kingdom

Here "kingdom" refers to God's rule as king. Alternate translation: "when my Father establishes his rule on earth" (See: rc://en/ta/man/jit/figs-metonymy)

my Father's

Father is an important title for God that describes the relationship between God and Jesus. (See: rc://en/ta/man/translate/guidelines-sonofgodprinciples)