Skanda Purana — Brahma Khanda, Shloka 13
असमानप्रवरैर्विवाह इति गौतमः । यद्येकं प्रवरं भिन्नं मातृगोत्रवरस्य च । तत्रोद्वाहो न कर्तव्यः सा कन्या भगिनी भवेत्
asamānapravarairvivāha iti gautamaḥ | yadyekaṃ pravaraṃ bhinnaṃ mātṛgotravarasya ca | tatrodvāho na kartavyaḥ sā kanyā bhaginī bhavet
Gautama declares: marriage is to be contracted with one of a different pravara. If even one pravara overlaps with that of the mother’s gotra-line, then marriage should not be performed there; that girl is to be regarded as a sister.
Gautama (cited authority)
Listener: dvija/gṛhastha audience
Scene: Gautama as lawgiver gestures to a pravara list; two scrolls labeled ‘mātṛ-gotra’ and ‘vara-gotra’ show one shared ṛṣi name highlighted; the prospective bride is shown with rakṣā (protective) symbolism, indicating ‘bhaginī’ status.
FAQs
Dharma extends kinship-respect beyond the obvious; even partial maternal-line overlap is treated as sibling-like and thus inviolable.
None; this is a dharma-legal instruction.
A prohibition: do not marry when even a single pravara overlaps with the mother’s gotra-line.