Declension table of ?bhartṛtva

Neuter	Singular	Dual	Plural
Nominative	bhartṛtvam	bhartṛtve	bhartṛtvāni
Vocative	bhartṛtva	bhartṛtve	bhartṛtvāni
Accusative	bhartṛtvam	bhartṛtve	bhartṛtvāni
Instrumental	bhartṛtvena	bhartṛtvābhyām	bhartṛtvaiḥ
Dative	bhartṛtvāya	bhartṛtvābhyām	bhartṛtvebhyaḥ
Ablative	bhartṛtvāt	bhartṛtvābhyām	bhartṛtvebhyaḥ
Genitive	bhartṛtvasya	bhartṛtvayoḥ	bhartṛtvānām
Locative	bhartṛtve	bhartṛtvayoḥ	bhartṛtveṣu

Compound bhartṛtva -

Adverb -bhartṛtvam -bhartṛtvāt