Both his parents had raced production cars shortly after the Second World War and Wilson Sr was also responsible for the first Mil Milhas race in 1956, in São Paulo, having been inspired by the 1949 Italian Mille Miglia.
Obaja jeho rodičia sa zaoberali motoristickým priemyslom, pričom Wilson Sr bol tiež zodpovedný za prvé preteky Mil Milhas v roku 1956 v São Paulo, ktoré boli inšpirované talianskym Mille Miglia z roku 1949.