Declension table of ?pātrin

Masculine	Singular	Dual	Plural
Nominative	pātrī	pātriṇau	pātriṇaḥ
Vocative	pātrin	pātriṇau	pātriṇaḥ
Accusative	pātriṇam	pātriṇau	pātriṇaḥ
Instrumental	pātriṇā	pātribhyām	pātribhiḥ
Dative	pātriṇe	pātribhyām	pātribhyaḥ
Ablative	pātriṇaḥ	pātribhyām	pātribhyaḥ
Genitive	pātriṇaḥ	pātriṇoḥ	pātriṇām
Locative	pātriṇi	pātriṇoḥ	pātriṣu

Compound pātri -

Adverb -pātri