The contact of the seventh house with the sixth could lead to tension in marriage, with the eighth to severe misunderstanding, sexual misdemeanour and may be death of the spouse, and with the twelfth separation.
The contact of the sixth house from Mars with the seventh from Venus in a male chart would confirm that there would be tension in marriage.
The contact of the eighth house from Saturn with the seventh from Venus in a male chart will underline the possibility of death of the spouse.
The contact of the eighth house from Rahu with the seventh from Venus in a male chart would indicate sexual indiscretion and promiscuity.
The contact of the twelfth house from Saturn with the seventh from Venus in a male chart will indicate separation