Broekema writes about the fate of brothers Lazarus and Meijer Sleutelberg from Farnsum, a village by Delfzijl. The brothers were in hiding: 'For years, the broad-shouldered, strong men experienced the ordeal of life in a closed space. Sometimes, their existence was so hard for them that they tried to catch a glimpse of the familiar outside world. When they were seen, they had to move on to the nex…