Occurrences

Atharvaveda (Śaunaka)
Baudhāyanadharmasūtra
Manusmṛti
Matsyapurāṇa
Viṣṇupurāṇa

Atharvaveda (Śaunaka)
AVŚ, 18, 4, 35.2 sa bibharti pitaraṃ pitāmahān prapitāmahān bibharti pinvamānaḥ //
Baudhāyanadharmasūtra
BaudhDhS, 2, 10, 1.4 oṃ prapitāmahān svadhā namas tarpayāmi /
BaudhDhS, 2, 10, 1.10 oṃ mātuḥ prapitāmahān svadhā namas tarpayāmi /
Manusmṛti
ManuS, 3, 284.2 prapitāmahāṃs tathādityān śrutir eṣā sanātanī //
Matsyapurāṇa
MPur, 19, 3.3 prapitāmahāṃstathādityānityevaṃ vaidikī śrutiḥ //
Viṣṇupurāṇa
ViPur, 3, 11, 29.2 pitāmahebhyaśca tathā prīṇayetprapitāmahān //