Declension table of ?gaṅgāputra

Masculine	Singular	Dual	Plural
Nominative	gaṅgāputraḥ	gaṅgāputrau	gaṅgāputrāḥ
Vocative	gaṅgāputra	gaṅgāputrau	gaṅgāputrāḥ
Accusative	gaṅgāputram	gaṅgāputrau	gaṅgāputrān
Instrumental	gaṅgāputreṇa	gaṅgāputrābhyām	gaṅgāputraiḥ gaṅgāputrebhiḥ
Dative	gaṅgāputrāya	gaṅgāputrābhyām	gaṅgāputrebhyaḥ
Ablative	gaṅgāputrāt	gaṅgāputrābhyām	gaṅgāputrebhyaḥ
Genitive	gaṅgāputrasya	gaṅgāputrayoḥ	gaṅgāputrāṇām
Locative	gaṅgāputre	gaṅgāputrayoḥ	gaṅgāputreṣu

Compound gaṅgāputra -

Adverb -gaṅgāputram -gaṅgāputrāt