Strong's Concordance

Original word: πρόγονος
Transliteration: progonos
Definition (short): forefathers
Definition (full): born before

NAS Exhaustive Concordance

Word Origin: from proginomai
Definition: born before
NASB Translation: forefathers (1), parents (1).
NAS Exhaustive Concordance of the Bible with Hebrew-Aramaic and Greek Dictionaries.
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Strong's Exhaustive Concordance

From proginomai; an ancestor, (grand-)parent -- forefather, parent.

see GREEK proginomai

KJV: But if any widow have children or nephews, let them learn first to shew piety at home, and to requite their parents: for that is good and acceptable before God.
NASB: but if any widow has children or grandchildren, they must first learn to practice piety in regard to their own family and to make some return to their parents; for this is acceptable in the sight of God.
KJV: I thank God, whom I serve from my forefathers with pure conscience, that without ceasing I have remembrance of thee in my prayers night and day;
NASB: I thank God, whom I serve with a clear conscience the way my forefathers did, as I constantly remember you in my prayers night and day,