Declension table of siddhārtha

Masculine	Singular	Dual	Plural
Nominative	siddhārthaḥ	siddhārthau	siddhārthāḥ
Vocative	siddhārtha	siddhārthau	siddhārthāḥ
Accusative	siddhārtham	siddhārthau	siddhārthān
Instrumental	siddhārthena	siddhārthābhyām	siddhārthaiḥ siddhārthebhiḥ
Dative	siddhārthāya	siddhārthābhyām	siddhārthebhyaḥ
Ablative	siddhārthāt	siddhārthābhyām	siddhārthebhyaḥ
Genitive	siddhārthasya	siddhārthayoḥ	siddhārthānām
Locative	siddhārthe	siddhārthayoḥ	siddhārtheṣu

Compound siddhārtha -

Adverb -siddhārtham -siddhārthāt