Agniveshyagrihyasutra 3.1.3.1

3.1.3.1

udakumbhaṃ darbhamuṣṭiṃ cādāya dakṣiṇāgrān darbhān paristīrya teṣvavācīnapāṇirdakṣiṇāpavargāṃstrīnudapātrānupari ninayati mārjayantāṃ pitaraḥ saumyāsaḥ mārjayantāṃ pitāmahāḥ saumyāsaḥ mārjayantāṃ prapitāmahāḥ saumyāsaḥ iti \

having taken a water pot and a handful of darbha grass, and having strewn darbha grass with its tips pointing south, with downward-turned hand he pours out three water vessels over them, finishing toward the south: 'May the Soma-loving ancestors cleanse themselves; may the Soma-loving grandfathers cleanse themselves; may the Soma-loving great-grandfathers cleanse themselves.'