Declension table of ?mahāpuṃsa

Masculine	Singular	Dual	Plural
Nominative	mahāpuṃsaḥ	mahāpuṃsau	mahāpuṃsāḥ
Vocative	mahāpuṃsa	mahāpuṃsau	mahāpuṃsāḥ
Accusative	mahāpuṃsam	mahāpuṃsau	mahāpuṃsān
Instrumental	mahāpuṃsena	mahāpuṃsābhyām	mahāpuṃsaiḥ mahāpuṃsebhiḥ
Dative	mahāpuṃsāya	mahāpuṃsābhyām	mahāpuṃsebhyaḥ
Ablative	mahāpuṃsāt	mahāpuṃsābhyām	mahāpuṃsebhyaḥ
Genitive	mahāpuṃsasya	mahāpuṃsayoḥ	mahāpuṃsānām
Locative	mahāpuṃse	mahāpuṃsayoḥ	mahāpuṃseṣu

Compound mahāpuṃsa -

Adverb -mahāpuṃsam -mahāpuṃsāt