Planets in the 4th house can show what type of people you have in your family. Whether they are loving or detached. Whether they like to torment or spoil you. It depends on the planet. So, what type of people is your family full of?
☉ SUN: Warm and loving or self-centered? If the Sun in your 4th house has good aspects, people in your family are loving and warm. They like to spoil you and make you feel happy and confident. They are the key to building some of the most precious memories in the family. If the Sun has difficult aspects, however, someone in your family is the most self-centered and egoistical person that you may know, acting like they are the most precious and important person in the world, while everyone else in the family are as important as ants.
☽ MOON: Mother or step-mother? Your 4th house being occupied by the Moon with beneficial aspects fills your family with highly sensitive and caring people. There is always someone that will pick you up when you are down. Someone will always reach out a helping hand. They will always wipe your tears and be your safe haven. But if the Moon has difficult aspects, then someone in your family is too emotional. They are so absorbed by their own feeling that they couldn't spare a second for yours. Or if they do, it's always to make you feel bad, whether it's intentional or not.
☿ MERCURY: Genius or trickster? A well-aspected Mercury in your 4th house reflects smart people in your family. They can figure anything out, no matter how difficult and you can always go to them for advice. They are the ones that help you with your homework and school projects that always result in a good grade. It's like you have your very own search engine in your family - anything you ask them, they probably know the answer. If Mercury has difficult aspects however, you might as well be related to a con-man. Someone you are related to might be often lying for the fun of it. They never take things seriously and you can't depend on them either because they will flake on you or they will act up out of boredom at the least appropriate time.
♀ VENUS: Beauty or disgrace? Having a well-aspected Venus in your 4th house is like having a rich aunt. Whether they are a man or a woman, someone in your family is beautiful, gracious and always brings good things with themselves. They will gift you great things and will always help you look and feel your best. If Venus has difficult aspects, you get someone that is focused on themselves. If you fall in the garden, they will probably stand by the door and refuse to come and help you up, because they don't want to get their shoes dirty. If you say anything other than "You are the most beautiful, you are the most stylish, your bag is the best", congratulations: you have gotten yourself a mortal enemy.
♂ MARS: Warrior or enemy? If Mars in your 4th house has good aspects, you have someone in your family that is ready to fight to the end for you. This is the person that will always stand up for you and will go out of their way to protect you, even if that means that they will have to pick a fight with someone. You have your own personal bodyguard and knight in shining armor in your family. If you need someone to give you strength or courage, you go to them. If Mars has difficult aspects, you have your very own personal enemy in your family. They often attack you and try to pick a fight with you.
♃ JUPITER: Generous or selfish? Having Jupiter in the 4th house while it makes good aspects to your other planets shows that someone in your family is very generous and jovial. They spoil you and want to give you the best just for existing. It's like you have your very own fairy godmother. Jupiter having bad aspects however can reflect someone in your family being a very greedy person that wants to be revered, spoiled and pampered. Plus, they can spend money like crazy, which comes at the expense of the family.
♄ SATURN: Stability or restriction? A Saturn with positive aspects brings serious, mature and strong people in your family. Their love is tough, but they always want the best for you. If you need help or advice, they will always take you under their wing to make sure that you do well. They are the stern teacher that has a soft spot beneath the cold exterior. Stability is important for them and they work hard towards making that happen in the family and possibly even instilling that value in you. If Saturn is in the 4th house and is making difficult aspects, then someone in your family is very harsh. They don't care for your well-being, they desire control. They try their best to restrict you and don't mind making you suffer. They always rain on your parade with their sour and miserable mood.
♅ URANUS: Special or deadbeat? An Uranus that is aspected well with positive aspects will bring someone unique in your family. They might be, unusual or even weird, but they always stand out in a good way. They are a source of change in the family and they can always bring you something unique and special, whether it's an item or an idea. A badly aspected Uranus in the 4th house, however, causes someone in your family to be so detached, that they couldn't care less for you or your family. They just stay away and mind their own business, even if your house is burning down and couldn't be bothered to try to help.
♆ NEPTUNE: Martyrdom or victim-complex? Neptune in your 4th house making positive aspects brings people in your family that are always ready to sacrifice themselves for you or the family. They don't mind suffering if it means that you will be okay. They don't mind taking care of and helping you, even if that means that they won't be able to take care of themselves well enough. A badly aspected Neptune however, brings family members that are the eternal victim. They have always suffered the most (even though it's your first time hearing that), they are always the most tortured ones (usually they are doing the emotional torturing), they are always thinking of you and making sacrifices for you (they never call you and will leave you to rot even when you ask for help). One might mistakenly thing that they invented gaslighting.
♇ PLUTO: Powerful or destructive? If your Pluto is in the 4th house making positive aspects, then you have someone very powerful in your family, that can always be a source of strength for you and make sure that your family survives all sorts of crisis. If Pluto is badly aspected though, people in your family are more likely to be toxic, harming those around them and destroying the family's connections, finances, home or anything else. With a badly aspected Pluto in the 4th house, you don't need any other enemies. ☽