Karshnajinismriti 1.1: Nirṇayasindhu · Vyavahāramayūkha · Saṃskāraratnamālā (Gopīnātha Dīkṣita Oka) +4

1.1

yāvantaḥ pitṛvarjyāḥ syus tāvadbhir dattakādayaḥ | pretānāṃ yojanaṃ kuryuḥ svakīyaiḥ pitṛbhiḥ saha

As many [ancestors] as are excluded by the father, with that many [generations] should an adopted son and others / perform the union of the deceased spirits with their own ancestors.

As many as are without (their own) ancestors (in the line), adopted sons and the like should join the departed with their own ancestors.