6. Ernesto and Kirsty Bertarelli: £9.45 billion
He is an Italian born Swiss businessman, entrepreneur and philanthropist who together with his family was ranked 94th in the 2013 annual ranking of the world’s wealthiest people by Forbes magazine.
She is a songwriter, former Miss UK, and one of Britain’s richest women. Her family owns one of the world’s major manufacturers of ceramic products- Churchill China.
In 2000, Kirsty married Ernesto Bertarelli. The couple and their kids support several charities, and play an active role with the Bertarelli Foundation.
They are the owners of the 314 feet yacht Vava II.
In our top, they are ranked 6th with a net worth estimated at 9.45 billion pounds.