Complex sentence: In November 1891 Alexandrine discovered the affair, bringing the marriage to the brink of divorce however after the conflict had been somewhat resolved Zola was able to take an increasing active role in the lives of his children.
Split into simpler sentences: In November 1891 Alexandrine discovered the affair, bringing the marriage to the brink of divorce. After, the conflict had been somewhat resolved Zola took an increasing active role in the lives of his children.