Let's say I'm writing up my proof argument as to why I think the wife of Edward Bubbinski was named Margaret McCormick. Let's assume that I have reliable evidence and sound analysis on my side. The problem is that other people and other sources have different things to say about Edward's wife. Things that have been repeated over and over for decades.
I have information from a variety of sources (some more reliable than others) that says Edward's wife's maiden name was: