"One brother will deliver up his brother to death" or "Brothers will deliver up their brothers to death." Jesus speaks of something that will happen many times.
The abstract noun "death" can be translated as a verb. Alternate translation: "hand brother over to authorties who will execute him" (See: [[rc://en/ta/man/translate/figs-abstractnouns]])
These words can be translated as a complete sentence. Alternate translation: "fathers will deliver up their children to death" (See: [[rc://en/ta/man/translate/figs-ellipsis]])
This can be translated in active form. Alternate translation: "have them put to death" or "have the authorities execute them" (See: [[rc://en/ta/man/translate/figs-activepassive]])