Manusmriti

siva.sh/manusmriti/9/169

सदृशं तु प्रकुर्याद् यं गुणदोषविचक्षणम् । पुत्रं पुत्रगुणैर्युक्तं स विज्ञेयश्च कृत्रिमः ॥ १६९ ॥

sanskrit

But he is considered a son made (Kritrima) whom (a man) makes his son, (he being) equal (by caste), acquainted with (the distinctions between) right and wrong, (and) endowed with filial virtues.

english translation

sadRzaM tu prakuryAd yaM guNadoSavicakSaNam | putraM putraguNairyuktaM sa vijJeyazca kRtrimaH || 169 ||

hk transliteration by Sanscript