Declension table of hartṛ

Masculine	Singular	Dual	Plural
Nominative	hartā	hartārau	hartāraḥ
Vocative	hartaḥ	hartārau	hartāraḥ
Accusative	hartāram	hartārau	hartṝn
Instrumental	hartrā	hartṛbhyām	hartṛbhiḥ
Dative	hartre	hartṛbhyām	hartṛbhyaḥ
Ablative	hartuḥ	hartṛbhyām	hartṛbhyaḥ
Genitive	hartuḥ	hartroḥ	hartṝṇām
Locative	hartari	hartroḥ	hartṛṣu

Compound hartṛ -

Adverb -hartṛ