Ex is Tunisian living in an EU country. DC have been visiting him twice a year and he has been visiting us in England once a year for the 5 years of their lives. DC have met ex's mother and a couple of cousins once, but apart from that haven't met any of his family. Hence why Ex wants DC this accompany him to a family reunion/gathering in Tunisia in September. It doesn't sit right with me (I think I am being unreasonable, probably), it doesn't seem like a safe place to travel to and I'm terrified of simply allowing my children out of the EU without me. I don't know what to do. I want to be fair and understanding, but the idea of it really upsets and unsettles me. AIBU?