Complex sentence: Her mother, Maginel Wright Enright, (the younger sister of American architect Frank Lloyd Wright), was a book and magazine illustrator, a shoe designer for Capezio, and authored the memoir, The Valley of the God-Almighty Joneses.
Split into simpler sentences: Her mother, Maginel Wright Enright, was a book and magazine illustrator, a shoe designer for Capezio, and the younger sister of renowned American architect Frank Lloyd Wright. She also wrote a memoir, The Valley of the God-Almighty Joneses.