Friedrich Wieck book he published some studies and exercises for the piano, a number of pamphlets, and edited various piano works. A turning point came in Wieck's life when Clara and Robert Schumann fell in love. Fearing that her marriage to an impecunious composer would destroy the plans he had for her music career, he opposed their union in every way he could. He threatened to shoot Robert. The young lovers resorted to clandestine meetings and letter-writing. Because Clara was not yet of age, her father's consent was required before they could marry. Not receiving his consent, they applied to the Saxon
Friedrich Wieck Marianne, were irreconcilable in large part due to Wieck’s unyielding nature. When his friend Adolph Bargiel, father of Woldemar Bargiel, had an affair with her, she divorced Wieck in 1824. She then married Adolph Bargiel. His second wife, Clementine Fechner – whom he married in 1828 – was twenty years his junior. Clementine was the sister of painter Eduard Clemens Fechner and of experimental psychology pioneer Gustav Fechner. One of the three children she gave birth to, besides Cäcilie and Clemens (1829–1833), who died at the age of four, Marie Wieck was also a concert pianist, although she was not