Shiva Purana
ततो देवा हि प्रोचुस्तान्यदुक्ताः पुत्रका वयम्॥ तस्माद्भवंतः पितरो भविष्यथ न संशयः ॥ ५४॥
Then the gods said “Since you addressed us as sons you will undoubtedly become Pitṛs.
english translation
tato devA hi procustAnyaduktAH putrakA vayam॥ tasmAdbhavaMtaH pitaro bhaviSyatha na saMzayaH ॥ 54॥
hk transliteration by Sanscript