2. Johann Rupert & family

•  Net Worth: $7.9 B                                                                      
•  Source of Wealth: luxury goods
•  Citizen: Cape Town, South Africa
•  Age: 63

Son of late billionaire Anton Rupert, Johann is a citizen of South Africa. He inherited the vast fortune of his father and later diversified it and increased it. He holds majority of stakes in Richemont group which manufactures luxury goods and owns watchmakers IWC, Vacheron Constantin SA, Piaget and Montblanc. Recently in May 2013, he announced temporary retirement for 12 months from all his corporate commitments. Johann Rupert is second richest person in Africa after Aliko Dangote and he is the richest man in South Africa. His company designs, manufactures, distributes and sells premium jewelery, watches, leather goods, writing instruments, shotguns, rifles, clothing and accessories.