Embraer started life building Piper aircraft under license.
Embraer got their start by assembling Piper Aircraft in knocked down kit form and then progressed to sub assembly or parts manufactured by Piper.
No, EMBRAER was created in 1969 to produce the Bandeirante, which first flew in 1968. NEIVA bulit the Piper Aircrafts under license from 1975 to 2000.