Adolf Merckle was No . 94 on Forbes list of world 's richest people . Merckle 's net worth estimated to be $ 9.2 billion . Comment: Family says financial woes `` broke the passionate family business man ''
Adolf Merckle was No . 94 on Forbes list of world 's richest people . Merckle 's net worth estimated to be $ 9.2 billion . Billionaire was killed by a train in German town of Ulm . Family says financial woes `` broke the passionate family business man ''