Being descended from Hatfields on both sides, and having had a mother who was a McCoy, I have personally known seven generations of Hatfields and six generations of McCoys. They were/are my family. None of them resemble the barbarians seen in the newspapers, books and movies.
This story can be read in my book, “Lies, Damned Lies, and Feud Tales.” https://tinyurl.com/ycqlg3oy