Using autosomal DNA matching alone, NPEs (nonparental events,) also known as misattributed paternity or parentage (MPEs,) undocumented adoptions, and sometimes other terms, often goes completely undetected, especially a few generations back in time.
Generally, this phenomenon occurs when the believed father is not the biological father – for a variety of reasons. Using autosomal DNA alone, especially more than a couple of generations back in time, these situations often go undetected because we are lulled into complacency thinking we have proof via DNA matching, but we don’t.
Let’s look at a real life example of how I discovered and unraveled one of these mysteries. Continue reading