Complex sentence: Daughter Marion designed the cover, which depicted St. Martha of Bethany, the patron saint of cooking, slaying a dragon, and produced silhouette cutouts to illustrate the rest of the book.
Split into simpler sentences: Daughter Marion designed the cover, which depicted St. Martha of Bethany, the patron saint of cooking, slaying a dragon. She also produced silhouette cutouts to illustrate the rest of the book.