Complex sentence: One of the greatest fencers in British history, Jay competed in five Olympiads in both épée and foil, winning silver medals at the 1960 Rome Olympics in Individual and Team Épée.
Split into simpler sentences: One of the greatest fencers in British history, Jay competed in five Olympiads in both épée and foil, winning two medals. Jay won silver medals at the 1960 Olympic Games in Rome in both Individual and Team Épée.