The 1st House Ruler and your identity
The first House or your Ascendant/Rising sign represents your character, your self and everything that is a part of you, including your physical body and appearance.
The planet that rules your 1st House is highly important - what it represents is greatly connected to your identity, its the most influential energy in your chart.
How to find the planet ruling your 1st House?
Look at the sign on your 1st House/Ascendant and the planet it is ruled by:
Aries - Mars, Taurus - Venus, Gemini - Mercury, Cancer - Moon, Leo - Sun, Virgo - Mercury, Libra - Venus, Scorpio - Mars,Pluto, Sagittarius - Jupiter, Capricorn - Saturn, Aquarius - Uranus, Pisces - Neptune.
If the planet ruling your 1st House is the Sun:
You exude courage and confidence. You are warm, inviting, give people the energy you want to receive. Your world revolves around you, at times you may feel like other people's worlds have to revolve around you too. You can be authorative, you were likely very influenced by your father or male figures in your life. You are inspiring ro yourself and others.
If the planet ruling your 1st House is the Moon:
You are emotive, you are likely to face changes quite often, there can be lack of stability, you may be very reactive and sensitive to your surroundings and other people. You are highly empathetic, you like to nurture others, understand them, make them feel better. You are focused on caring about yourself and others, maybe even prioritize others at times. You are a person who feels like home. You may experience a lot of daily travelling or movement (for duties, job.)
If the planet ruling your 1st House is Mercury:
Your personality revolves around your intellect - you are a curious person who wants to understand everything they face. You are intelligent and quick-witted (If your Ascendant is Virgo, you may have a dry but smart sense of humor). You like to talk, share your thoughts and opinions. You like to play the devil's advocate and at times defend others just for the sake of it. You have great memory and good ability to collect information.
If the planet ruling your 1st House is Venus:
You exude beauty and harmony, you bring peace wherever you go. You are charismatic and have the ability to make people like you without much work. You are influenced by the feminine figures in your life. You like to see and represent the beauty in life, you like to bring things together, you like to appeal to everyone and visualize the world as a beautiful place to be.
If the planet ruling your 1st House is Mars:
You are dominant and assertive. You like things to go your way. You may have a troubled temper, inability to stay patient, you are expressive of your dissatisfaction or irritation. You can be prone to violence - it can be expressed in different ways, it's not always direct. You are very competitive, you are bold and brave, you have the courage to do things others may be afraid of. You aren't afraid to face your fears. You are a warrior at heart.
If the planet ruling your 1st House is Jupiter:
You are born with luck, throughout your life you are likely to meet many people who are willing to help you and guide you through anything. You attract opportunities and now matter how hard the situation you're in might be, there will always be a way out. You are wiser than your age, you learn through other people's experiences, you love freedom and knowledge. You receive double the amount of what you give.
If the planet ruling your 1st House is Saturn:
While Jupiter represents positive growth from experience, Saturn can show th growth we have from suffering, from hardships and what we've been through. You are a dedicated person who is persistent, unwilling to give up no matter how hard it is. You may feel restricted, limited, blocked from certain experiences in life - like something is holding you back. Despite the downs and sorrow you may experience, you must know that you have the strength of two people combined, you are the person who builds their own life's structure.
If the planet ruling your 1st House is Uranus:
You are an innovator, you are a person sent from the future, a stranger in a strange land. No one knows what to expect from you, you are the hidden genius - you may be misunderstood often, people rarely have the same perspective as you. You are an unconventional person, you have a distinctive way of presenting yourself, of being. You live in the future, you look foward to the way things will be, not how they are or were. You are bold, unapologetically yourself and unafraid of how you're perceived.
If the planet ruling your 1st House is Neptune:
You represent glamour - but in the untouchable, far-away type of way. You give an illusion about yourself that could be very different from reality - whether it's intentional or not. You are vulnerable and may often view the world and others in a deluded way - you may think things are better or worse than they are. You have a very strong inutuition and are likely to follow your heart.
If the planet ruling your 1st House is Pluto:
Even if you are quiet your presence is always noticed. You may experience things intensely - everything that has happened has influenced you in one way or another. Life feels like a constant transformation - big changes are made quite often, for better or for worse. You are strong-willed, you have tough-skin and the ability to overcome anything.
The House your chart ruler is in and which area of your life has the biggest impact on your identity:
Example: Kim Kardashian has Sagittarius on the 1st House Cusp/Ascendant. Sagittarius is ruled by Jupiter. Her Jupiter is in the 10th House.
1st House ruler in the 1st House:
Similarly to the Sun, your world revolves around you. You are a very self-focused person. You are true to yourself. You may be seen as selfish, but you prioritize yourself. You are likely focuse on self-improvement throughout life. You are the face of your own brand. You are very connected to your body.
1st House ruler in the 2nd House:
Your identity is focused on the way you support yourself, your values and what brings value into your life and character. You may be seen and vain or materialistic, because you understand the worth of money. You have a strong sense of self-worth. You can sometimes be passive or avoidant of action. You like having stability, a pattern, you might be a creature of habit.
1st House ruler in the 3rd House:
You are a communicative person with a strong need to express yourself. Your siblings or neighbourhood have influenced you. You are a person who feels responsible for their community. You are creative and have the ability to transform any information in a useful way. You may often have short trips.
1st House ruler in the 4th House:
You are someone who is very connected to their roots, their home and family. Your family has had the biggest influence on your identity. You are a very home-oriented person who looks for parts of their home wherever they go. You may have traditional values or values taught from your family. Your life may revolve around homes, properties, ancestry.
1st House ruler in the 5th House:
They are constantly inspired - a very creative individual. They are great with children. Their life may revolve around anything that brings them pleasure and makes them feel good - relationships, hobbies. They have a strong need to express their creativity, to show off a product of theirs, to be proud of something in their life. They are a person who is very fun to be around, someone that brings out other people's best side and inspires them.
1st House ruler in the 6th House:
Another creature of habit, of routine. Their work and work environment is highly important when it comes to how they generally feel. Happy wife, happy life, but make the wife your work. They can be very health-conscious and keep a steady healthy lifestyle (if they have time). They are prone to health problems especially ones that come from stress (again, work-related) - especially headaches. They are very responsible and reliable.
1st House ruler in the 7th House:
You are very influenced by your relationships with other people. People with this placement tend to mirror other people's characteristics unintentionally. They are very considerate people, very willing to compromise in order to keep a good relationship with everyone. They tend to attract and be attracted to people similar to them. They are very diplomatic and have a natural good sense for business.
1st House ruler in the 8th House:
A very private, secretive person, who can often lack trust in other people. May be very money-focused. They value truth, they have the ability to face everything, every topic no matter how uncomfortable it is. They seek power, validation, to have any kind of impact. They aren't afraid of the darkness of the world.
1st House ruler in the 9th House:
A person very focused on knowledge, education or generally the complex matters in life. These are the people who are focused on gaining experience throughout life, undertaning different perspectives, travelling and mastering any topic that peaks their interest. This is a great position for a guru, a political leader, a professor, someone who has responsibility on a greater level.
1st House ruler in the 10th House:
They can be someone who is well-known, who has a large reputation and is known by a lot of people., especially from their career and what they do professionally. Their personal identity is influenced by their field of work. They are good at self-marketing, how they present themselves, carefully building their own image.
1st House ruler in the 11th House:
Another house that can show fame - more specifically fame from a following, from building an audience, networking. Their identity is influenced by their friend groups. They are a people's person, who seeks support from others. They often think for the good of a larger group of people, they can be very selfless.
1st House ruler in the 12th House:
Possibly the biggest sign of an introvert, someone more focused on their inner world than their surroundings. While it can show that you can be prone to isolating yourself, it can also show that your time alone is your most productive and joyful time (depending on the aspects). There people are highly intuitive, very close to the spiritual world.