Brihat Parashara Hora Shastra
नवमेऽपि पितुर्ज्ञानं सूर्याच्च नवमेऽथवा। यत्किञ्चिद्दशमे लाभे तत्सूर्याद्दशमे भवे॥ ३९॥
Indications from Bhavas. Dharm Bhava and the 9th from Sūrya deal with one‟s father. Whatever effects are to be known from the Karm and Labh Bhava, be also known from similar Bhavas, counted from Sūrya
english translation
navame'pi piturjJAnaM sUryAcca navame'thavA। yatkiJciddazame lAbhe tatsUryAddazame bhave॥ 39॥
hk transliteration by Sanscript