King James Version
Read in context(Which he had promised afore by his prophets in the holy scriptures,)
All translations
5 of 5 translations contain this numbered verse.
(Which he had promised afore by his prophets in the holy scriptures,)
which he promised before through his prophets in the holy Scriptures,
which he promised afore through his prophets in the holy scriptures,
which He announced before through His prophets in holy writings --
the gospel He promised beforehand through His prophets in the Holy Scriptures,