Robert and David were also golf professionals, Simpson was a fine amateur golfer, and John was an expert ballmaker who also worked as a bookkeeper at Chicago Golf Club from 1901 to his untimely death in 1907.
Robert och Dave var också golfproffs, Simpson var en duktig amatörgolfare och John var en bollexpert som arbetade som ekonom på Chicago Golf Club från 1901 fram till sin oväntade död 1907.