Declension table of ?śyāvaputrya

Masculine	Singular	Dual	Plural
Nominative	śyāvaputryaḥ	śyāvaputryau	śyāvaputryāḥ
Vocative	śyāvaputrya	śyāvaputryau	śyāvaputryāḥ
Accusative	śyāvaputryam	śyāvaputryau	śyāvaputryān
Instrumental	śyāvaputryeṇa	śyāvaputryābhyām	śyāvaputryaiḥ śyāvaputryebhiḥ
Dative	śyāvaputryāya	śyāvaputryābhyām	śyāvaputryebhyaḥ
Ablative	śyāvaputryāt	śyāvaputryābhyām	śyāvaputryebhyaḥ
Genitive	śyāvaputryasya	śyāvaputryayoḥ	śyāvaputryāṇām
Locative	śyāvaputrye	śyāvaputryayoḥ	śyāvaputryeṣu

Compound śyāvaputrya -

Adverb -śyāvaputryam -śyāvaputryāt