G3971–πατρῷος–patrōos

"I am indeed a Jew, born in Tarsus of Cilicia, but brought up in this city at the feet of Gamaliel, instructed according to the strict manner of the law of our fathers, being zealous for God, even as you all are this day.

πατρῴου patrōou “of our Fathers”

But this I confess to you, that after the Way, which they call a sect, so I serve the God of our fathers, believing all things which are according to the law, and which are written in the prophets;

πατρῴῳ patrōō “ancestral”

It happened that after three days Paul called together those who were the leaders of the Jews. When they had come together, he said to them, "I, brothers, though I had done nothing against the people, or the customs of our fathers, still was delivered prisoner from Jerusalem into the hands of the Romans,

πατρῴοις, patrōois “of our fathers,”