who is Frédéric Chopin?
Yes, I know. He was a Polish composer and virtuoso pianist 
How many performances  did he give in his lifetime?
Not many, he primarily wrote music for the solo piano but did not perform much.
was he ever married?
Frédéric Chopin
Frédéric François Chopin (, , , , ; 1 March 181017 October 1849) was a Polish composer and virtuoso pianist of the Romantic era who wrote primarily for solo piano. He has maintained worldwide renown as a leading musician of his era, one whose "poetic genius was based on a professional technique that was without equal in his generation."
Chopin was born Fryderyk Franciszek Chopin in the Duchy of Warsaw and grew up in Warsaw, which in 1815 became part of Congress Poland. A child prodigy,
pupil in his masterclasses. He returned to the Moscow Conservatory in 1922, teaching there until his death. Other famous pupils of his include Simon Barere, Maria Yudina and Maria Grinberg. He died in Moscow.
As a pianist, he played many of the compositions of his Russian contemporaries. His own compositions, which showed the influence of Frédéric Chopin and Pyotr Ilyich Tchaikovsky, include a symphony, pieces for solo piano, an "Allegro de Concert" for piano and orchestra, and lieder. His virtuoso pieces for piano