"And then, let's see... Prince Xav's wife was Betan again, can't go back from there, but his father was Dorca Vorbarra, obviously. Come to think of it I don't think I know Dorca the Just's middle name. Then Grandfather's grandfathers were Pierre Vorrutyer whose middle name I don't remember either, and Piotr Isidor Vorkosigan. You get a lot of duplicates with this method, I'm discovering. A distinct flaw."