From what ive learned i would do Son x Mother ( since she was the star ) then then take the best of that brother x sister Then maybe find which line closes they follow as far as traits style that i love and start to line breed from there keeping semen on every male that prove to perform like the main star that started the desire. Yes i know that is close as it can be but in my mind the best way to stop shuffling the deck is take out as many bad cards as possible ( culling ) and breed the best. Looking forward to hearing out looks on my thoughts
This all is if you dont have access to whats before her and she is just a random dog off the street.