Complex sentence: Bred and owned his entire life by Art Pollard, Lightning Bar's sire, or father, was a Thoroughbred, and his dam, or mother, was originally from Louisiana, noted for breeding racehorses that ran short distances.
Split into simpler sentences: Bred and owned his entire life by Art Pollard, Lightning Bar's sire, or father, was a Thoroughbred. His dam, or mother, was originally from Louisiana, noted for breeding racehorses that ran short distances.