Of the three brothers (Frits, who died in March 2006, and Paul, who died in August 2006) only John Fentener van Vlissingen's career was not with the family company, SHV Holdings.
Among the three siblings—Frits, who died in March 2006, and Paul, who died in August 2006—it was John Fentener van Vlissingen’s career that was outside of the family business, SHV Holdings.