Looks like a GSD? Hard to tell anything from this pic, I wouldn't even guess on lines.
If it is important to you to know anything about the background of your new pup, then the best thing is to ask to see the pedigree, and ask the breeder these questions.
If the breeders themselves don't have any information as to lines or pedigree or other info, then not sure why you would chose them for your pup.
edited to add: Oh, I see from your other posts that you have adopted the pup already, and is mixed. I understand your question now. Still can't tell you much about the dam from the pic - just a nice standard black and tan saddle back. May have some West German Showline in her, or not.
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Keeta BH, OB1, TR1, AD
Rottweiler/Hairy Dog mix?? 2004-2015