If you have papers on the pup then it will tell you what bloodline it is. If you do not have papers on the pup then you should ask the person you got the pup from. Without that info then you will not be able to find out what bloodline it has. There are so many bloodlines out there that it is hard to look at it and say what it is. You can always look up pitbull bloodlines and try to compare them.
