Kautilya's Arthashastra 3.5.33

3.5.33

teṣāṃ ca kṛtadārāṇāṃ lupte prajanane sati /
sṛjeyur bāndhavāḥ putrāṃs teṣām aṃśān prakalpayet //E

If these persons have been married (before they became fallen, etc.) and if their line is likely to become extinct, their relatives may beget sons for them and give proportional shares of inheritance to those sons.