His career total of three points, scored in 1972 and 1973 with Brabham, made him the most successful sibling of a Formula One World Champion until the arrival of Ralf Schumacher in 1997.
A suma total de tres puntos, anotados en 1972 e 1973 con Brabham, converteuno no irmán máis exitoso dun Campión do Mundo da Fórmula Un, ata a chegada de Ralf Schumacher na tempada 1997.