Manava Dharmashastra 11.185

11.185

jyeṣṭhatā ca nivarteta jyeṣṭhāvāpyaṃ ca yad
jyeṣṭhāṃśaṃ prāpnuyāc cāsya yavīyān guṇato 'dhikaḥ //

But thenceforward it shall be forbidden to converse with him, to sit with him, to give him a share of the inheritance, and to hold with him such intercourse as is usual among men;