Declension table of ?pitṛbandhu

Masculine	Singular	Dual	Plural
Nominative	pitṛbandhuḥ	pitṛbandhū	pitṛbandhavaḥ
Vocative	pitṛbandho	pitṛbandhū	pitṛbandhavaḥ
Accusative	pitṛbandhum	pitṛbandhū	pitṛbandhūn
Instrumental	pitṛbandhunā	pitṛbandhubhyām	pitṛbandhubhiḥ
Dative	pitṛbandhave	pitṛbandhubhyām	pitṛbandhubhyaḥ
Ablative	pitṛbandhoḥ	pitṛbandhubhyām	pitṛbandhubhyaḥ
Genitive	pitṛbandhoḥ	pitṛbandhvoḥ	pitṛbandhūnām
Locative	pitṛbandhau	pitṛbandhvoḥ	pitṛbandhuṣu

Compound pitṛbandhu -

Adverb -pitṛbandhu