Complex sentence: She was a close friend and confidante of French Empress Eugénie, and the Princess and her husband were dominant personalities at the court of Emperor Napoleon III ´ s. She introduced the fashion designer Charles Frederick Worth to the Empress and thus started his career.
Split into simpler sentences: She was a close friend and confidante of French Empress Eugénie, and the Princess and her husband were dominating personalities of Emperor Napoleon III ´ s court. There she introduced the fashion designer Charles Frederick Worth to the Empress and so started his career.