Historian Dr. . Jennifer Doyle is here with my results, which means this is either my big Irish reveal or a very awkward plot twist. >> What do you think you are before we start.>> Um, I mean, I would just say half Irish, half English. >> Okay, let's have a look. [Music] >> Oh. Oh, wow.Okay, 56% Irish. So then that means that my dad must have been a bit Irish as well. >> Yeah, it's roughly in line with your dad having an Irish greatgrandparent.>> Oh man, I wish my dad was still alive. He would have loved th ...