'Ancestors' in the Bible

This man deceitfully took advantage of our people [and] mistreated our ancestors, {causing them to abandon their infants} so that they would not be kept alive.

{I am thankful} to God, whom I have served with a clear conscience {as my ancestors did}, when {I remember you constantly} in my prayers night and day,

[because you] know that you were redeemed from your futile way of life inherited from your ancestors not with perishable things like silver or gold,