For this reason, adds Jeremias, “pure ancestry had to be proved for a man to exercise any civic rights, and this fact confirms our conclusion that... even the simple Israelite knew his immediate ancestors and could point to which of the twelve tribes he belonged. ”
(‏ تثنية ٢٣ :‏ ​ ٢ ،‏ ٣‏ )‏ لذلك ،‏ يضيف جيريمايَس :‏ « وجب على كل رجل ان يثبت نقاوة نسبه لئلا يُحرَم من ممارسة حقوقه المدنية .‏