Convoluted Familial Connections

This song came up (in my head, anyway) in a thread over on the Book of Faces, and  in searching for the lyrics for to copy and paste, I found that Jerry Garcia and David Grisman did a version of it.  Couldn't find that one, but here's Dawg (that's Grisman's nickname) doing it:

David Grisman - I'm My Own Grandpa Found at abmp3 search engine