Declension table of ?jyeṣṭhatva

Neuter	Singular	Dual	Plural
Nominative	jyeṣṭhatvam	jyeṣṭhatve	jyeṣṭhatvāni
Vocative	jyeṣṭhatva	jyeṣṭhatve	jyeṣṭhatvāni
Accusative	jyeṣṭhatvam	jyeṣṭhatve	jyeṣṭhatvāni
Instrumental	jyeṣṭhatvena	jyeṣṭhatvābhyām	jyeṣṭhatvaiḥ
Dative	jyeṣṭhatvāya	jyeṣṭhatvābhyām	jyeṣṭhatvebhyaḥ
Ablative	jyeṣṭhatvāt	jyeṣṭhatvābhyām	jyeṣṭhatvebhyaḥ
Genitive	jyeṣṭhatvasya	jyeṣṭhatvayoḥ	jyeṣṭhatvānām
Locative	jyeṣṭhatve	jyeṣṭhatvayoḥ	jyeṣṭhatveṣu

Compound jyeṣṭhatva -

Adverb -jyeṣṭhatvam -jyeṣṭhatvāt