I can't tell whether the ro was served or not. It appears it wasn't served. But this is a mess since you moved back into the home in January, assumably after the ro was issued. If a restraining order was issued, which is difficult to believe if he didn't attend the hearing, then you need to stay away from him. Maybe it's best to research the matter to ensure whether or not there is a ro. You can to that yourself by visiting the court clerk or by retaining counsel who will do that on your behalf. Good luck.
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If you can prove the circumstances described, you might get the order overturned based on his actions in deceit. The main problem is at the moent you now know about it and are in violation. Legally, IMHO, you need to leave even if it is temporarily to go to a friend's or womenn's shelter.
The above is not intended as legal advice. The response does not constitute the creation of an attorney client relationship as this forum does not provide for a confidential communication.