YSBhā zu YS, 1, 27.1, 1.5 yathāvasthitaḥ pitāputrayoḥ saṃbandhaḥ saṃketenāvadyotyate ayam asya pitā ayam asya putra iti sargāntareṣv api vācyavācakaśaktyapekṣas tathaiva saṃketaḥ kriyate /