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 for 18 days for unruly courtroom behaviour, although it is not clear whether he actually served the sentence. Clara and Robert married on September 12, 1840, the day before her twenty-first birthday. For several months Wieck refused to release to Clara the piano from the Wieck home on which she had played since childhood; finally he was forced to do so by court order. By 1843 Wieck was a grandfather, Clara having given birth to the first two of her eight children, and Schumann was winning a growing reputation as a serious composer. Wieck invited Schumann to a reconciliation, writing,