There are many clues in astrology about what kind of spouse one can get. There are planet combinations which show about foreign, different cultures or different casts of spouses. There are many indications of foreign or different culture spouses and love marriage is a major factor for getting a different culture spouse.
The 5th house represents love and romance and the 7th house represents marriage and legal binding. If 5th lord is sitting in 7th house or 7th house lord is sitting in 5th house and if there is parivartana yoga between 5th and 7th house, then it makes the person marry a person whom they love. This is a strong combination for love marriage. They bring their lover in their life or in legal binding means convert lover into life partner (turning their love into love marriage).
If there is a connection between 9th lord to the 5th or 7th house lord or house there are a lot of chances a person may get a different culture or foreigner spouse. Because the 9th house represents foreign and long distance traveling. Therefore there are a lot of chances that the person could meet a spouse in traveling or in foreign land.
If Sagittarius sign falls in 7th house, means 7th house has Sagittarius energy it may also bring some foreign element in life. Jupiter sitting in the 9th house is a strong indication of a different culture spouse.
Venus in the 9th house makes a person inclined towards different cultures and foreign things that person could get foreign partner.
Venus is wife in the man chart and Jupiter is husband in the woman chart. If the ruler of the seventh house lord and significator of spouse placed in the 12th house then, there are a lot chances that a person gets a spouse in foreign land or of different culture or background.
Rahu (North Node) represents foreign things. If Rahu is in 7th house or sitting with Venus. Then there is a lot of chance a person gets a foreign partner. Jupiter also makes a person inclined towards foreign things. Therefore there are a lot of chances that a person will marry a different culture. Rahu sitting with 7th house lord in any house increases chances for foreign partners. For e.g. Rahu sitting with Saturn in 7th house and if Saturn rules 7th house and sitting in 5th house with Rahu may bring different culture and darker complexion spouse.
Rahu (North Node) and Ketu (South Node) give unorthodox marriage. If there is any influence of these planets in the seventh house then the person gets a different culture partner or does marriage against family members.
Any debilitated planet in the seventh house makes a person get a different culture and different background spouse.
In Jaimini astrology the planet having the lowest longitude in a birth chart is called dara-karaka which represents marriage partners in both men and women charts. If this planet is influenced by Rahu and Ketu the person could marry in a different culture.
Venus and Mars combination gives passionate nature and these people are inclined towards love and live-in-relationships. If Venus and Mars combination in 5th, 7th, 9th, and 12th house makes a person to marry in different culture.
Same with women Jupiter is husband in women chart. If Jupiter is sitting with Rahu in 5th, 7th, 9th, and 12th house she could marry in a different culture.
Mars is the boyfriend in the women's chart. If Mars is sitting with or aspected by Jupiter it means the woman converts her boyfriend into husband. If this combination falls in the above house it could be of a different culture.
There are many other combinations also. But these are the general combination of foreign spouses in astrology.
