Complex sentence: Shawna's great grandfather is aviator actor "Daredevil" DeLay "Daredevil" DeLay, formally known as B. H. DeLay, performed at least half a dozen stunt firsts for motion pictures.
Split into simpler sentences: Shawna's great grandfather is aviator actor "Daredevil" DeLay "Daredevil" DeLay, formally known as B. H. DeLay. DeLay performed at least half a dozen stunt firsts for motion pictures.