Valentin Gapontsev and his son Denis with a capital of 3.14 billion dollars were among the ten richest families in Russia.
Experts doubt whether Boris Zubitsky's sons will be able to retain the Industrial-Metallurgical Holding.
Forbes has been ranking the most successful entrepreneurial dynasties for four years consequently. The cumulative wealth of the ten richest families of Russia over the past year has increased by $2 billion, up to $27 billion. In three of them, newcomers appeared who received shares in business.