Shiva Purana
पितुः पितामहश्चैव त्रिषु पिंडेषु नित्यदा ॥ पितरो धर्मकामस्य प्रजाकामस्य च प्रजाम् ॥ १४ ॥
The father and grandfather are always in the three bodies. The fathers of one who desires righteousness and one who desires progeny.
english translation
pituH pitAmahazcaiva triSu piMDeSu nityadA ॥ pitaro dharmakAmasya prajAkAmasya ca prajAm ॥ 14 ॥
hk transliteration by Sanscript