(Cheryl of the Clue Crew compares a logo with its antecedent.)  This association adapted the Duke of Lorraine's emblem because they, too, were fighting a crusade, but against tuberculosis
[DOC] [TLE] About Us - History - Ontario Lung Association [PAR] As one of Canada's first voluntary health organizations, its aim was to ... Godfrey 
of Bouillon, Duke of Lorraine, was the first Christian ruler of Jerusalem.