NIV: the gospel he promised beforehand through his prophets in the Holy Scriptures
NAS: which He promised beforehand through His prophets in the holy Scriptures,
KJV: (Which he had promised afore by his prophets in the holy scriptures,)
GWT: (God had already promised this Good News through his prophets in the Holy Scriptures.
ASV: which he promised afore through his prophets in the holy scriptures,
BBE: Of which God had given word before by his prophets in the holy Writings,
DBY: (which he had before promised by his prophets in holy writings,)
DRB: Which he had promised before, by his prophets, in the holy scriptures,
WBS: (Which he had promised before by his prophets in the holy scriptures)
WEB: which he promised before through his prophets in the holy Scriptures,
YLT: which He announced before through His prophets in holy writings --
Holy Bible, New International Version®, NIV® Copyright © 1973, 1978, 1984, 2011 by Biblica, Inc.® Used by permission. All rights reserved worldwide.
New American Standard Bible (NASB) Copyright © 1960, 1962, 1963, 1968, 1971, 1972, 1973, 1975, 1977, 1995 by The Lockman Foundation
GOD'S WORD Translation (GWT) Copyright © 1995 by God's Word to the Nations