Which shipping family, founded by a magnate who married Jacqueline Kennedy, built one of the world's largest private fleets?

• A Niarchos
• B Onassis ✓
• C Livanos
• D Vardinoyannis

Aristotle Onassis built a shipping empire that at its peak comprised over 70 vessels, making him one of the world's wealthiest men; his marriage to Jacqueline Kennedy in 1968 attracted global attention.