Skanda Purana — Brahma Khanda, Shloka 7
एक एव ऋषिर्यत्र प्रवरेष्वनुवर्तते । तावत्समानगोत्रत्वमृते भृग्वंगिरोगणात्
eka eva ṛṣiryatra pravareṣvanuvartate | tāvatsamānagotratvamṛte bhṛgvaṃgirogaṇāt
Where, within the pravaras, even a single ṛṣi-name is shared, to that extent there is sameness of gotra—except in the Bhṛgu and Aṅgiras groups, where special traditional distinctions apply.
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.