Skanda Purana — Brahma Khanda, Shloka 7
एक एव ऋषिर्यत्र प्रवरेष्वनुवर्तते । तावत्समानगोत्रत्वमृते भृग्वंगिरोगणात्
eka eva ṛṣiryatra pravareṣvanuvartate | tāvatsamānagotratvamṛte bhṛgvaṃgirogaṇāt
जहाँ प्रवरों में एक भी ऋषि-नाम समान रूप से चलता है, वहाँ उतनी ही सीमा तक गोत्र की समानता मानी जाती है—परन्तु भृगु और आङ्गिरस-गण के विषय में परम्परागत अपवाद है।
Unspecified (general rule stated within the Dharmāraṇya Khaṇḍa discourse)
Scene: A teacher draws a simple diagram of overlapping circles labeled with ṛṣi-names; one circle is marked ‘Bhṛgu’ and another ‘Aṅgiras’ with a note ‘apavāda’ (exception).
FAQs
Lineage is to be treated with precision in dharma; even partial overlap in pravara is morally consequential for marriage rules.
No tīrtha is mentioned; the verse is a technical dharma guideline.
A rule for determining gotra-sameness via pravara overlap, used to avoid prohibited marriages.