Declension table of ?kṛtrimaputra

Masculine	Singular	Dual	Plural
Nominative	kṛtrimaputraḥ	kṛtrimaputrau	kṛtrimaputrāḥ
Vocative	kṛtrimaputra	kṛtrimaputrau	kṛtrimaputrāḥ
Accusative	kṛtrimaputram	kṛtrimaputrau	kṛtrimaputrān
Instrumental	kṛtrimaputreṇa	kṛtrimaputrābhyām	kṛtrimaputraiḥ kṛtrimaputrebhiḥ
Dative	kṛtrimaputrāya	kṛtrimaputrābhyām	kṛtrimaputrebhyaḥ
Ablative	kṛtrimaputrāt	kṛtrimaputrābhyām	kṛtrimaputrebhyaḥ
Genitive	kṛtrimaputrasya	kṛtrimaputrayoḥ	kṛtrimaputrāṇām
Locative	kṛtrimaputre	kṛtrimaputrayoḥ	kṛtrimaputreṣu

Compound kṛtrimaputra -

Adverb -kṛtrimaputram -kṛtrimaputrāt