Declension table of ?kṛṣṇabandhu

Masculine	Singular	Dual	Plural
Nominative	kṛṣṇabandhuḥ	kṛṣṇabandhū	kṛṣṇabandhavaḥ
Vocative	kṛṣṇabandho	kṛṣṇabandhū	kṛṣṇabandhavaḥ
Accusative	kṛṣṇabandhum	kṛṣṇabandhū	kṛṣṇabandhūn
Instrumental	kṛṣṇabandhunā	kṛṣṇabandhubhyām	kṛṣṇabandhubhiḥ
Dative	kṛṣṇabandhave	kṛṣṇabandhubhyām	kṛṣṇabandhubhyaḥ
Ablative	kṛṣṇabandhoḥ	kṛṣṇabandhubhyām	kṛṣṇabandhubhyaḥ
Genitive	kṛṣṇabandhoḥ	kṛṣṇabandhvoḥ	kṛṣṇabandhūnām
Locative	kṛṣṇabandhau	kṛṣṇabandhvoḥ	kṛṣṇabandhuṣu

Compound kṛṣṇabandhu -

Adverb -kṛṣṇabandhu