Complex sentence: She was known as "one of the richest and most accomplished widows in France", being a balloonist, a parachute jumper, an accomplished sportswoman, fencer, tobogganist, skier, rifle and pistol shot, horse trainer, concert pianist and singer.
Split into simpler sentences: She was known as "one of the richest and most accomplished widows in France". A balloonist, a parachute jumper, an accomplished sportswoman, fencer, tobogganist, skier, rifle and pistol shot, horse trainer, concert pianist and singer.