Declension table of saumanasya

Masculine	Singular	Dual	Plural
Nominative	saumanasyaḥ	saumanasyau	saumanasyāḥ
Vocative	saumanasya	saumanasyau	saumanasyāḥ
Accusative	saumanasyam	saumanasyau	saumanasyān
Instrumental	saumanasyena	saumanasyābhyām	saumanasyaiḥ saumanasyebhiḥ
Dative	saumanasyāya	saumanasyābhyām	saumanasyebhyaḥ
Ablative	saumanasyāt	saumanasyābhyām	saumanasyebhyaḥ
Genitive	saumanasyasya	saumanasyayoḥ	saumanasyānām
Locative	saumanasye	saumanasyayoḥ	saumanasyeṣu

Compound saumanasya -

Adverb -saumanasyam -saumanasyāt