So first of all, let's see what 1st house/Ascendant and 2nd house represent -
1st house/Ascendant is your self, physique, personality, overall health, life path and head in human body etc.
2nd house represents Family, Wealth, Speech, Family Lineage, Values, Mouth, Face, Throat, food you like to eat, Assets etc.
Now, what does it mean to have 1st house lord in 2nd house?
It means the planet which rules/controls/owns the 1st house/Ascendant of your horoscope is sitting in the 2nd house of horoscope.
Now, what is the impact of having 1st house lord in 2nd house?
Its generic interpretation is that person's focus through-out life is on his Family. His life will always revolve around things related to family, wealth and assets. Now, depending upon the planet that is going in 2nd house as Ascendant Lord, this situation can be good or bad both. Like, it can also be a case of a kid taking birth in a family of Gangster and he has to deal with that name for whole of his life. Also, results may be different due to aspect, conjunctions of other planets or the planet being Retrograde or Combust. Moreover, now we also need to check the strength of 2nd house lord as 1st house lord is going in 2nd house. So again, Overall Chart Reading is important.
So, let's see how different planets will behave differently as Ascendant Lord in 2nd house.
Sun - Suppose it is a Leo Ascendant chart and Sun sits in the 2nd house in the sign of Virgo. It shows that person is very calculative and practical about his wealth. His life focus would remain the affairs of family. His self-esteem and ego gets a boost from family. It shows that father is an authority figure in family. It also shows that father had to face lots of obstacles in life.
Moon - So it is Cancer Ascendant Chart and Moon rules the 1st house and sits in 2nd house. It shows a person who is emotionally attached with his family. It shows that he wants to take care of his family like a mother. In this position, Mother takes the authoritative role in family.
Mars - Mars can be Ascendant ruler through its two signs. So, let's take both one after the other.
Aries Ascendant - So if Mars is lord of Ascendant through Aries sign and sits in 2nd house in Taurus, then it shows a person who has this go-getter approach towards wealth. They want to protect and hoard the family wealth. As Mars is a natural malefic planet, it shows someone who can have struggles and fights with family for wealth, specially with brothers as Mars represents brothers. As Mars also rules 8th house for Aries Ascendant, it shows someone inheriting money after death in family. It also shows many sudden events coming into family environment.
Scorpio Ascendant - Now if Mars is lord of Ascendant through Scorpio sign and sits in 2nd house in Sagittarius sign, then Mars has come into its friendly sign. This Mars will also take actions for earning of wealth but here Mars turns philosophical in sign of Sagittarius and feels that world has everything in abundance and he will get his due after making all efforts. Here Mars becomes protective of family. For Scorpio, Mars also rules 6th house of debts, diseases etc. It shows that person is taking loan for the betterment of family, which is not a big deal in 21st century, and he will be able to pay it off as Mars is in friendly sign.
Mercury - Mercury also can be Ascendant ruler through its two signs. So, let's take both one after the other.
Gemini Ascendant - If Mercury is Ascendant Lord through its Gemini sign and sits in 2nd house in Cancer sign, then this person will have a very emotional way of talking. For sure it is a position of someone running a Family Business. They become very calculative about their wealth. As Mercury also rules the 4th house through Virgo sign, it makes it very clear that someone is into family business. Here, the mother teaches them the art of business and collection of wealth.
Virgo Ascendant - If Mercury is Ascendant Lord through its Virgo sign and sits in 2nd house in Libra, then it shows a person who keeps a very balancing art of speaking. This also shows someone in business. It can also make someone a diplomat, lawyer or spokesperson. As Mercury also rules the 10th house for Virgo Ascendant, these people are very much career oriented. They are very clever in dealing and business. As Mercury is itself a businessman and ruling houses of life path & career and sitting in 2nd house of family business, it becomes almost certain that these people will be in business.
Venus - Venus also can be Ascendant ruler through its two signs. So, let's take both one after the other.
Taurus Ascendant - If Venus is Ascendant Lord through its sign Taurus and sits in 2nd house in Gemini sign then Wealth becomes an integral part of their life. They are rich as Venus is in friendly sign. They will try to keep family environment very pleasant and beautiful, hence they may even spend a lot. Wife of such native can bri g luck and wealth for him. For Taurus Ascendant, Venus also rules 6th house of diseases and obstacles. So, diseases related to Venus like Sugar and Kidney comes to them but as Ascendant Lord is in Ascendant itself, they get healed quickly. It also shows debts taken for family causes.
Libra Ascendant - If Venus is Ascendant Lord through its sign Libra and sits in 2nd house in Scorpio then this shows a family environment that is very secretive. Wealth is coming from a secret source. These people might even have a secret love affair about which nobody knows. Great interest in occult but again Venus rules the 8th house through Taurus sign. So, these people face sudden events and transformation in their family and wealth scenario. This position also shows a possibility of inheritance.
Jupiter - Jupiter also can be Ascendant ruler through its two signs. So, let's take both one after the other.
Sagittarius Ascendant - If Jupiter is Ascendant Lord through its sign Sagittarius and sits in 2nd house in Capricorn then here if Jupiter is somewhere in 1st 15 degrees, then this Jupiter is very close to its debilitation point. Here, they will get money but they would need to spend it. They wont be able to accumulate the wealth. As Jupiter is also knowledge and education, it may happen that they spend money for getting some education but unable to complete the course As Jupiter also rules 4th house for Sagittarius Ascendant through its sign Pisces, it shows that issues related to mother impacted family and wealth badly. It also shows that person got into the company of fake spiritual Gurus who robbed his wealth.
Pisces Ascendant - If Jupiter is Ascendant Lord through its sign Pisces and sits in 2nd house in Aries then this Jupiter is better as it is in a friendly sign. Here person earns money through Spiritual and Creative ways. He can be a Finance Manager for others. This person can save money. He is very much in Spiritual Field of work as Jupiter also rules the 10th house through Sagittarius sign. In this case, person gets company of good Gurus who help him in improving his life.
Saturn - Saturn also can be Ascendant ruler through its two signs. No matter which Ascendant it is, Capricorn or Aquarius, Saturn always does its job of pressing down the house it sits in. In 2nd house of wealth, it makes a person real miser, because in their early life, they see extreme poverty, so much that their survival looks difficult. Hence, they learn tough lessons very early in their life. So, in later part of their life, they become real miser as they understand the value of money. If Saturn is in Aquarius in 2nd house for Capricorn Ascendant, then things can be 5% better but not more than that.
Rahu - If Rahu is Ascendant Lord through its sign Aquarius, as it co-rules Aquarius along with Saturn, and sits in 2nd house in Pisces then 1st of all we need to make sure of Saturn's position as it is the main ruler. Then, Rahu in Pisces in 2nd house shows that wealth is coming from a very unusual/foreign source. It makes family environment also awkward one. But Rahu is in Pisces is only placement where this demon becomes a diety, so it may be unusual environment but not in negative sense. Rahu in 2nd house provides extreme wealth.
Ketu - Likewise, If Ketu is Ascendant Lord through its sign Scorpio, as it co-rules Scorpio along with Mars, and sits in 2nd house in Sagittarius then again we need to make sure of Mars' position as it is the main ruler. Then Ketu in 2nd house gives a natural isolation from family and values. Person doesn't feel that his views are respected well enough in family. He feels that he is unwanted sort of. In some cases, it also becomes karaka of 2nd marriage. Ketu in Sagittarius at same time shows a natural isolation from world philosophies and higher teachings. He is never in agreement with his teachers and father.
Hope this covers maximum points and is helpful.
Vishal S Saxena - Astrologer.
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