No.2 Rupert Murdoch & Wendi Deng Murdoch

Keith Rupert Murdoch, born on March 11, 1931, is an Australian-born American business magnate. Murdoch became managing director of Australia's News Limited, inherited from his father, in 1952. He is the founder, Chairman and CEO of global media holding company News Corporation, the world's second-largest media conglomerate, and its successors News Corp and 21st Century Fox after the conglomerate split on 28 June 2013.

Wendi Deng Murdoch, born on December 8, 1968, is a Chinese-born American businesswoman. She was offered an internship at Star TV.

On June 25, 1999, 17 days after divorcing his second wife, Murdoch, then aged 68, married Chinese-born Deng Wendi. Murdoch has two daughters with her; Grace, born in 2001 and Chloe, born in 2003. On 13 June 2013, a News Corporation spokesperson confirmed that Murdoch filed for divorce in New York City.

Age gap: 37 years