Brihat Parashara Hora Shastra
लग्नात्त्रिकोणगे सूर्ये भाग्येशे सप्तमस्थिते । गुरुणा सहिते दृष्टे पितृभक्तिसमन्वितः ॥ ९॥
If Sūrya is in a trine from Lagna, while Dharm‟s Lord is in Yuvati in yuti with, or receiving a Drishti from Guru, the native will be devoted to his father.
english translation
lagnAttrikoNage sUrye bhAgyeze saptamasthite । guruNA sahite dRSTe pitRbhaktisamanvitaH ॥ 9॥
hk transliteration by Sanscript