Complex sentence: Our Mims was born on March 8,1974, at Calumet Farm in Lexington, Kentucky by Herbager out of sweet Tooth (by On-and-On).
Split into simpler sentences: Our Mims was born on March 8,1974, at Calumet Farm in Lexington, Kentucky. She was by Herbager out of Sweet Tooth (by On-and-On).