Declension table of ?mātṛṣvaseya

Masculine	Singular	Dual	Plural
Nominative	mātṛṣvaseyaḥ	mātṛṣvaseyau	mātṛṣvaseyāḥ
Vocative	mātṛṣvaseya	mātṛṣvaseyau	mātṛṣvaseyāḥ
Accusative	mātṛṣvaseyam	mātṛṣvaseyau	mātṛṣvaseyān
Instrumental	mātṛṣvaseyena	mātṛṣvaseyābhyām	mātṛṣvaseyaiḥ mātṛṣvaseyebhiḥ
Dative	mātṛṣvaseyāya	mātṛṣvaseyābhyām	mātṛṣvaseyebhyaḥ
Ablative	mātṛṣvaseyāt	mātṛṣvaseyābhyām	mātṛṣvaseyebhyaḥ
Genitive	mātṛṣvaseyasya	mātṛṣvaseyayoḥ	mātṛṣvaseyānām
Locative	mātṛṣvaseye	mātṛṣvaseyayoḥ	mātṛṣvaseyeṣu

Compound mātṛṣvaseya -

Adverb -mātṛṣvaseyam -mātṛṣvaseyāt