Phaladeepika
कामस्थकामाधिप्भार्गवाना मृक्षं दिशं शंसति तस्य पत्न्याः । शुक्रोऽस्तपो वा नतुनाथभांश- त्रिकोणमायाति तदा विवाहः ॥ १२॥
The direction of the country of the wife will be that signified by the Rasi owned by the strongest of the three planets, vir, (1) occupying 7 th house (2) owning the 7 th house and ( 3 ) Venus : The marriage may be expected to come off when Venus or the lord of the 7 th house in his orbit passes through a sign which is triangular to the Rasi or Navamsa occupied by the Lord of the Lagna.
english translation
kAmasthakAmAdhipbhArgavAnA mRkSaM dizaM zaMsati tasya patnyAH । zukro'stapo vA natunAthabhAMza- trikoNamAyAti tadA vivAhaH ॥ 12॥
hk transliteration by Sanscript