Declension table of ?vṛddhātri

Masculine	Singular	Dual	Plural
Nominative	vṛddhātriḥ	vṛddhātrī	vṛddhātrayaḥ
Vocative	vṛddhātre	vṛddhātrī	vṛddhātrayaḥ
Accusative	vṛddhātrim	vṛddhātrī	vṛddhātrīn
Instrumental	vṛddhātriṇā	vṛddhātribhyām	vṛddhātribhiḥ
Dative	vṛddhātraye	vṛddhātribhyām	vṛddhātribhyaḥ
Ablative	vṛddhātreḥ	vṛddhātribhyām	vṛddhātribhyaḥ
Genitive	vṛddhātreḥ	vṛddhātryoḥ	vṛddhātrīṇām
Locative	vṛddhātrau	vṛddhātryoḥ	vṛddhātriṣu

Compound vṛddhātri -

Adverb -vṛddhātri