Karakas for Divorce/Multiple Marriages:

The stronger the karaka by rashi, drishti etc. the stronger its divorce-remarriage effects:
• Surya in house-7 (self-righteousness in marriage)
• Surya in house-5 (native craves romantic attention)
• Rahu or Ketu in house-7
• Rahu/Ketu yuti radix L-7, or (to a lesser power)
• Rahu-Ketu yuti navamsha L-1 or L-7 indicates craving for new partners, frequent remarriages
• L-7 in dusthana
• mutual drishti of enemy grahas in navamsha 1/7 axis
• Guru and Rahu drishti upon L-7 or Shukra