In Vaudeville, Jerry, Hele, Josephine & George M. were "The Four" these
These three productions were but part of the flood of Cohan ... 
M. Cohan and his family (father, Jeremiah [18481917]; mother, Helen F. .... His 
musical training was similarly limited; in 1885 Jerry Cohan bought his son a violin 
... That would soon change: While touring with the Four Cohans in vaudeville in... [DOC] [TLE] George M. Cohan, Musical Comedy Pioneer, Sings in World ... [PAR]