FTP, name this Polish novelist of With Fire and Sword and Quo Vadis
In one work by this author, the protagonist dies after being beaten by the watchman Stach for trying to steal a violin, and in another, the protagonist uses his affairs with Mrs. Davis and Klara Hilst to arouse the jealousy of Anielka.  In addition to Janko the Musician and that novel written as the diary of Leon Ploszowski, Without Dogma, he wrote a novel in which Tugai Bey is convinced by Hmelnitski not to execute Pan Yan Skshetuski set during the rebellion of the Cossack Brotherhood of the Saitch.  In another novel by this author, Petronius bleeds to death, Nero is stabbed by a slave, and Vinicius and Lygia escape to Sicily.  FTP, name this Polish novelist of With Fire and Sword and Quo Vadis
In one work by this author, the protagonist dies after being beaten by the watchman Stach for trying to steal a violin, and in another, the protagonist uses his affairs with Mrs. Davis and Klara Hilst to arouse the jealousy of Anielka.  
Henryk Sienkiewicz