A post on that Kingsnake thread:

Quote Originally Posted by CEballpythons
There was a breeder in Florida a few years back with a spider (from a spider X spider het pied pair) that had produced 5 clutches over two years that were all spiders. He called it his super spider. I'm having trouble remembering a name, but it wasn't one of the well known breeders (I have a much better memory for ball pythons than I do for people).
http://forums.kingsnake.com/view.php?id=1831614,1831738