Go to court and ask for it to be modified so that if you are at a family member's and he shows up that you can stay and not be in violation of the order. You may be okay now depending upon the language of the order because you are not approaching him, he is approaching you. However, better safe than sorry. You can also speak to your sister and ask her to leave him home on these family visits or else clear schedules with you so there is no conflict.
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