AITA for telling my bio mom that I just don't care how much she needs money, I am not going to help her?

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The original was posted on /r/AmItheAsshole by /u/Throwra_defaultless on 2023-06-27 03:44:43+00:00.

Throwaway account, because my siblings are here

Short thing, I (30F) was born in a poor country to a middle-class young lady from a conservative family. My bio-dad was a no show, so her parents threw her out of their house.

Now, I was born severely ill, and she was told the chances of survival for me were low. I understand she was on a hard spot. She turned for help to her then employers, who in turn connected her with their son, whose wife had infertility issues. They accepted the risk, adopted me, took me out of the country to get treatment and helped me recover almost fully. My adoptive mom passed away, and now its only dad, my grandparents, and me.

My bio mom though, sought out to my dad when I was 14, asking for a chance to reconnect with me, she said she was feeling guilty and she was in a better place both mentally and financially, my dad accepted kind of grudginly, and took me to see her that summer. There, we saw she had had three kids more, and one was barely one year older than me!, her parents didn't seem to mind, they had eventually forgiven her and allowed her back home, where she had safety for my siblings. My dad appeared to be really uncomfortable with that and took me back home barely two weeks later. I must confess I felt like I wasn't good enough for her, despite knowing that was unfair because of her circumstances at the time of my birth, so I kept in touch with her...Until she started asking for money for my siblings, making a lot of excuses. I took to sent her a part of my allowance, but eventually my dad found out and asked her to keep away from me.

Now, during my early 20's I got a FB message from one of my siblings, my other siblings followed soon and they started all harassing me about how she missed me, and how I had walked away just because they were not 'as rich as me', I must admit I felt pretty bad and agreed to reconnect with my mom so she wouldn't think I was looking down on her or something, but as the weeks went by she came up with this sad shit history about how she was ill, and my siblings work at minimum wages and she just can't work anymore, hinting she needed money...again. I lost it and told her I never wanted anything to do with her again, because I was just a money pouch for her, but I wasn't so years ago when she decided I was not worth her time, blocked everyone and moved on.

This week, it was an Instagram DM using my sister's account. Bio mom is claiming she's loosing her house and needs 15k to pay it off, I have the money, but I told her I just won't do it, I don't care if she becomes homeless, I am not her emergency fund. My siblings have started harassing me again, telling me how I'm too privileged to know what they are dealing with

I'm starting to feel awful again, so Reddit, AITA?