Complex sentence: Bettina Louise "Tina" Chow (April 18,1950--January 24,1992) was an American model and jewelry designer who was considered an influential fashion icon of the 1970s and 1980s.
Split into simpler sentences: Bettina Louise "Tina" Chow (April 18,1950--January 24,1992) was an American model and jewelry designer. She was considered an influential fashion icon of the 1970s and 1980s.