Have you seen this WPG databse?

[shootist]

http://herrenhausensportingdogs.com/database.html

"There are over 5,000 griffons in the database including dogs from France,
the US and other European countries. The database goes all the way back to
Korthal's original stock. Since the current mixed breed griffons started
from purebred stock, these dogs are also noted when the outcross happened.
Not only does this database include pedigree info, it also displays the
dog's field testing and OFA information. What an awesome resource for
breeders I would think since you can do a virtual cross between a sire and
dam."

- Carol Ptak

I found out about this on the AWPGA mailing list. Thought I would pass it on.