QUIZ: Formula 1 World Champions and their sons

Plenty of F1 champions have seen their sons go into racing too, with varying degrees of success.

L to R: Keke Rosberg (FIN) and Nico Rosberg (FIN) Williams BMW. Formula One Testing, Jerez, Spain,

Plenty of Formula 1 World Champions have seen their children go into the family business and take up motor racing – some with more success than others.

This weekend, three-time F1 champ Niki Lauda will be honoured at his home race, the Austrian Grand Prix, when his son Mathias – a racer who has competed in DTM and at Le Mans – will drive his dad's 1975 championship-winning Ferrari 312T in the GP Icons parade at the Red Bull Ring.