I have an aunt who married a nice French man. For their wedding, he flew his son and other family here to my country. After a year or two, his son and my aunt's daughter also got married and now have the cutest little girl.
Yes, to others, it may seem a little unusual. But who are they to judge? As long as you're all happy and not hurting anyone. Sometimes things just work out in the most mysterious ways, but nevertheless it still works out. So yeah, that's that.