any update on your case? Cloudbet stated that you can contact Curacao eGaming and I recommend you should contact Curacao. 19ETH is a huge amount of money and making all the possible or available action you can take would be worth all the hassle if the result is you getting your 19ETH back. I just wish Cloudbet could show what the violation was.
Yeah, that's right contact everyone that you think can help your case OP so that you have more chances getting that money out. As @acroman08 says, 19 ETH is a big amount and you might want to get your hands on it as soon as possible because ETH is climbing in prices right now.