Okay soo I have an older sister and younger sister and brother who always give me an atittude and blame stuff on me. Okay first my younger sis and brother always makes a mess and when my mom comes home and ask who did it they would always say that I did it! And my older sister gives me an attitude whenever my mom told her too clean the dishes or wash my younger sister's bottle she would always tell me to do it and when I say no she gets all mad and stuff! Also when her bf is over our house she's all like "Get out the room!" To me even though it's our room. She even made her bf hate me! The only people I have are my cousins and we'll call my cousins J,H,C,and A. A is the only person who can't come since she lives all the way in Pennsylvania so it only leads to J,H,and C to help me. But lately J have been hanging out with my older sister...Anyways yeah my siblings always get me in trouble.

You should explain that to your parents. Seems like the most simple solution unless they side with your siblings.

Seems like it's something that can't be solved by talking to either party.
What you can do though, is bringing all of this casually when your siblings and your parents are in the same room, keep it cool. Maybe your siblings will get mad, but your parents will listen and see for themselves how they are with you.

I agree. Tackle it straight on and don't fear letting your emotions out. If it hurts the other person let it be. Live and Learn. To each his own. Life's too short to be worrying about the problems within the intermediate. So just take it head on and talk to them. Your siblings, your parents, both even. At the end of it whether everyones upset or not, just move on, remember your life's gonna be filled with problems. Either save them for tomorrow's you or finish them in the here and now.

Ah thank you for telling me :) I hope it works out