Thanks to some info from a new forum member, raemandrea, I was able to track down Pimg's pedigree! How cool!
It's quite a mix, and the mother line is not much to speak of as far as I can tell. Well- the sire line isn't either, but going back 5 generations there is both working and show lines. I suppose if you go back far enough in any
pedigree you're likely to find working lines- but 5 generations isn't that
far, is it?
Pretty neat! I've imported it all to PDB (that was a lot of work): Pimg
PDB doesn't display the color. So here's a REALLY interesting clip from the mother line from the AKC pedigree view:
I can tell you I didn't expect to find a whole line of white GSDs in there...