Ah lol, you don't understand because its already gone.
I added a duplicate "Jane" without kennel name infront of it.
Then i deleted the duplicate ped, but the name of the dog was still in the list of pups of that particular breeding.
Then i changed the breeders name of the breeding profile, which delete all pups on the list of the breeding profile!
Then added the proper dogs.

Hope you understand what i mean now. But its solved.