He was hoping to get #3 but got #1 instead. He doesn’t need to find anymore worthless cousins.
ftdna is the best bet. But don’t expect miracles either. I did ydna testing 5 years ago to try to extend my surmane further back than 1770. I have not had any plausible matches yet, and am wondering whether there were any unintended paternal events or adoptions 250 years ago. I may never know.