hi . i was using rollbit and got from a buddy tip of 500$.
now i was trying to withdraw this and my account got banned right away and the money was gone.. account was back to 0.
the support open my account and asked me to kyc my self. i did it and they said i got banned from their site in the past by i didnt it was prob someone in my family that got banned but not me and i proved that with my personal id and everything!.
Sorry about this but it looks like your family member who got banned had very similar identities and for a casino, the system must have flagged it as a second account which is absolutely against the Terms and Conditions of not just Rollbit but any other gambling website.
You may have to forget about the money because it looks like a lost cause.
Have you used all the options available to you?