In 1830 she met her husband Robert Schumann when he came to study with her father. Schumann was known as a womanizer and Clara's father did not like her to see him. In fact when they were married he brought a law suit against them to try to stop the marriage.
In 1853 she and Robert met Johannes Brahms who would be their life time friend. Clara and Brahms were especially close after Robert's death of syphilis. There are rumors that the two were lovers but they are unconfirmed.