In the financial sector, it helps to have friends in high places. Nepotism is rarer than it used to be thanks to ever-more sophisticated graduate recruitment algorithms, and incidents such as the Chinese ‘princeling’ scandal — when banks were fined millions of dollars for hiring the children of senior officials to win business in the country. Still, it's no secret that a well-connected family can open doors.

A successful parent is no guarantee, but these six City or Wall Street financiers were the offspring of successful businessmen managed to become bigwigs in their own right.