Declension table of ?vāstudeva

Masculine	Singular	Dual	Plural
Nominative	vāstudevaḥ	vāstudevau	vāstudevāḥ
Vocative	vāstudeva	vāstudevau	vāstudevāḥ
Accusative	vāstudevam	vāstudevau	vāstudevān
Instrumental	vāstudevena	vāstudevābhyām	vāstudevaiḥ vāstudevebhiḥ
Dative	vāstudevāya	vāstudevābhyām	vāstudevebhyaḥ
Ablative	vāstudevāt	vāstudevābhyām	vāstudevebhyaḥ
Genitive	vāstudevasya	vāstudevayoḥ	vāstudevānām
Locative	vāstudeve	vāstudevayoḥ	vāstudeveṣu

Compound vāstudeva -

Adverb -vāstudevam -vāstudevāt