Declension table of ?brahmapitṛ

Masculine	Singular	Dual	Plural
Nominative	brahmapitā	brahmapitārau	brahmapitāraḥ
Vocative	brahmapitaḥ	brahmapitārau	brahmapitāraḥ
Accusative	brahmapitāram	brahmapitārau	brahmapitṝn
Instrumental	brahmapitrā	brahmapitṛbhyām	brahmapitṛbhiḥ
Dative	brahmapitre	brahmapitṛbhyām	brahmapitṛbhyaḥ
Ablative	brahmapituḥ	brahmapitṛbhyām	brahmapitṛbhyaḥ
Genitive	brahmapituḥ	brahmapitroḥ	brahmapitṝṇām
Locative	brahmapitari	brahmapitroḥ	brahmapitṛṣu

Compound brahmapitṛ -

Adverb -brahmapitṛ