Aww it's sweet of you to help your daughter get unbanned She was banned for stealing a set of enchanted armor from a chest on another player's island. When I went to ask her to return the armor, she ignored me and attempted to kill me, so she was banned and the armor was returned to the other player.
In order to get unbanned, she should write an appeal at http://www.skyblock.net/forums/net-appeals.192/ explaining why she broke the rules (maybe she didn't read them yet?) and how she will ensure this does not happen again.
To answer your question about coop ownership, she is still the owner and there is no way to transfer ownership of the island unless she is unbanned and leaves the coop, in which case it will transfer to one of the siblings.
Thanks for the additional information. I will talk to her about it, and ask her to appeal if she feels she deserves a second chance. As for her ignoring you, that may be because we ask all of our kids to minimize the chat, so she may not have realized you were trying to communicate with her. She certainly shouldn't have tried to respond with hostility, however.
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