Parallel
Hebrews 9:16
Robinson-Pierpont Byzantine Textform · Berean Standard Bible
Ὅπου γὰρ διαθήκη, θάνατον ἀνάγκη φέρεσθαι τοῦ διαθεμένου.
In the case of a will, it is necessary to establish the death of the one who made it,