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If in a Girl's horoscope :
Mangalya Dosham (Death of Husband or Wife) Planetary alignment and positions that causes early widowhood for girls are stated as under:
Strong malefic planet in the 8th house in a female horoscope is stated to cause early widow hood. If this malefic who is in the 8th house in female horoscopes is owner of the 7th house, and then widowhood should not be predicted .
When there is a malefic in the 8th house and if the 2nd or 4th house is occupied by strong benefic like Jupiter the wife will predecease the husband, since 8th house aspect by Jupiter even if there are malefic in the 7th house; and if the 8th house in the horoscope of the girl if there is a strong and powerful benefic in her 9th house she will have both good marital life and prosperous children.
If 6 th & 8 th house lords are in conjunction and occupy the 7th house in a female horoscope if moon with no digit strength occupies 7th house as lord of the 6th which will happen only if lagna is Kumbha, if mars and Jupiter occupy 7th or if Saturn is alone in the 7th or if Saturn is alone in the 7th house aspect by 8th lord she will become a widow.
If Saturn is in the 8th house aspect by strong malefic in a female horoscope she may not get married. There are some exceptions if other favorable factors in the horoscope are indicated.
If in a male horoscope :
Saturn in Pisces (Meenam) as 7 th house, and if the Star Sun is in the Lagna he will lose his wife and this can happen only if lagna is in Virgo or Kanni.
Jupiter is in the 7th in Virgo or Kanni and there are malefic in the 4th house from lagna, the wife will meet with an early death.
Sun and Venus are conjoined in the 5th, 7th, and 9th house from Lagna; the wife will have deformity of limbs.
Sun and Rahu or Ketu are in the 7th House he will loose all his wealth either through the bad character of his wife or sickly wife.
If moon and Saturn are in the 7th he will not have progeny. It is also likely that he may not get married.
If lord of the 8th is in the seventh, he will lose his wife very early.
If Mars and Saturn are in the seventh in Cancer, he will get a good and beautiful wife. This can happen only if the lagna is Makara or Capricorn.
The lord of the seventh house when placed in the sixth, eighth or twelfth from lagna or ascendant but not in his swakshetram (own sign) or exaltation sign ucha will afflict his wife's health.
If Venus known as Sukran, The Goddess of Love, is joined with a malefic planet the persons wife will undergo serious afflictions even to the extent of affecting her longevity the result will be the same if Venus or Sukran occupies her debilitation sign neecha Rasi or an enemy sign or asthagatha combust.
If Saturn occupies eighth or tenth house in a male horoscope it will afflict his wife's longevity.
If in a male horoscope Rahu occupies the seventh house from the lagna or ascendant or Venus or the moons sign it is said to cause his wife's death in earlier stage.
If in a male horoscope weak moon is in the 5th house from lagna and if lagna, seventh and twelfth houses are occupied by other malefic he will neither have wife nor children.
The above are a brief compilation of most vital questions that arises while comparing horoscope for marriage match. Please do not just come to conclusion that these are the only things that one need to check or accept. There are many more explanations and exceptions that speaks volume of other matters. Hence it is always suggested to consult an experienced astrologer for other combinations for a suitable star match for vivaha - marriage match.
