Declension table of saputra

Neuter	Singular	Dual	Plural
Nominative	saputram	saputre	saputrāṇi
Vocative	saputra	saputre	saputrāṇi
Accusative	saputram	saputre	saputrāṇi
Instrumental	saputreṇa	saputrābhyām	saputraiḥ
Dative	saputrāya	saputrābhyām	saputrebhyaḥ
Ablative	saputrāt	saputrābhyām	saputrebhyaḥ
Genitive	saputrasya	saputrayoḥ	saputrāṇām
Locative	saputre	saputrayoḥ	saputreṣu

Compound saputra -

Adverb -saputram -saputrāt