Kind of a tangent, but I worked for a Chinese company for a couple years as the only westerner mostly. My coworkers and I had so much confusion talking about family until the mutual realization that we were not using words the same way and understood some concepts differently. That lead to a lot of sitting around and pointing at a family tree going "ok who would this person be to you, how important?", and sometimes really surprising each other. Long way of saying, she may call him uncle, but he's not her uncle in the western European/Anglo-american sense.