Declension table of ?kṛpīputra

Masculine	Singular	Dual	Plural
Nominative	kṛpīputraḥ	kṛpīputrau	kṛpīputrāḥ
Vocative	kṛpīputra	kṛpīputrau	kṛpīputrāḥ
Accusative	kṛpīputram	kṛpīputrau	kṛpīputrān
Instrumental	kṛpīputreṇa	kṛpīputrābhyām	kṛpīputraiḥ kṛpīputrebhiḥ
Dative	kṛpīputrāya	kṛpīputrābhyām	kṛpīputrebhyaḥ
Ablative	kṛpīputrāt	kṛpīputrābhyām	kṛpīputrebhyaḥ
Genitive	kṛpīputrasya	kṛpīputrayoḥ	kṛpīputrāṇām
Locative	kṛpīputre	kṛpīputrayoḥ	kṛpīputreṣu

Compound kṛpīputra -

Adverb -kṛpīputram -kṛpīputrāt