Declension table of dharmaputra

Masculine	Singular	Dual	Plural
Nominative	dharmaputraḥ	dharmaputrau	dharmaputrāḥ
Vocative	dharmaputra	dharmaputrau	dharmaputrāḥ
Accusative	dharmaputram	dharmaputrau	dharmaputrān
Instrumental	dharmaputreṇa	dharmaputrābhyām	dharmaputraiḥ dharmaputrebhiḥ
Dative	dharmaputrāya	dharmaputrābhyām	dharmaputrebhyaḥ
Ablative	dharmaputrāt	dharmaputrābhyām	dharmaputrebhyaḥ
Genitive	dharmaputrasya	dharmaputrayoḥ	dharmaputrāṇām
Locative	dharmaputre	dharmaputrayoḥ	dharmaputreṣu

Compound dharmaputra -

Adverb -dharmaputram -dharmaputrāt