Complex sentence: All of her graded winners where sired by different stallions, the only stallion she ever re-visited was A. P. Indy and nether of the two resulting foals were ever raced.
Split into simpler sentences: All of her graded winners where sired by different stallions. The only stallion she ever re-visited was A. P. Indy, and neither of the two resulting foals ever raced.