Simplify the following text for a Grade 9 native English-speaking person.
Original: Wilhelm Friedemann Bach ( 22 November 1710 -- 1 July 1784 ) , the second child and eldest son of Johann Sebastian Bach and Maria Barbara Bach , was a German composer and performer .
Simplified: Wilhelm Friedemann Bach ( born Weimar 22 November 1710 â `` died Berlin 1 July 1784 ) was a famous German composer and organist .