Declension table of siddhārthin

Masculine	Singular	Dual	Plural
Nominative	siddhārthī	siddhārthinau	siddhārthinaḥ
Vocative	siddhārthin	siddhārthinau	siddhārthinaḥ
Accusative	siddhārthinam	siddhārthinau	siddhārthinaḥ
Instrumental	siddhārthinā	siddhārthibhyām	siddhārthibhiḥ
Dative	siddhārthine	siddhārthibhyām	siddhārthibhyaḥ
Ablative	siddhārthinaḥ	siddhārthibhyām	siddhārthibhyaḥ
Genitive	siddhārthinaḥ	siddhārthinoḥ	siddhārthinām
Locative	siddhārthini	siddhārthinoḥ	siddhārthiṣu

Compound siddhārthi -

Adverb -siddhārthi