Brihat Parashara Hora Shastra
द्वितीयं मन्दचन्द्राभ्यां योगं पश्येद् द्विजोत्तम । लग्नहोराविलग्नाभ्यां तृतीयं परिचिन्तयेत् ॥ ३५॥
These six are grouped into three groups thus: the Lords of Lagn and of Randhr Bhava on the one hand, Śani and Candr on the other hand and the natal Lagn and Hora Lagn on yet the other hand
english translation
dvitIyaM mandacandrAbhyAM yogaM pazyed dvijottama । lagnahorAvilagnAbhyAM tRtIyaM paricintayet ॥ 35॥
hk transliteration by Sanscript