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?
Yes but his wife died soon into the marriage, but he still gained and has maintained renown worldwide!
did any event in his life affect his career decision?
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,
Józef Wielhorski (composer)
Count Józef Wielhorski (1816/1817–1892) was Polish pianist and composer.
Life and compositions.
Józef Wielhorski was born in Rusinów, Radom Governorate, in 1817 or 1818. His parents were count Józef Wielhorski and Salomea Dembińska (daughter of Wolbromska). When young Frédéric Chopin visited Rusinów, Józef swooned by listening to him playing piano. While studying at Berlin university, he took lessons from Wilhelm Taubert. He married Marya Iżycka, but this marriage provided no children.
Wielhorski was neither a