You are right about Krypto being the sire to mine and D.C.'s Kelpie Neal nut I beleive that Sleighty's dog is from another bloodline, I have two half cross Kelpie/Grey's out of this line of kelpie (my Ruby being the litter sister to D.C.'s dog )and am very pleased with what I have, they suite my needs, I wouldn't get into the my cross is better than your cross argument with collie crosses but all I will say is they ARE different