Cornelius Jansenius was a Dutch bishop and theologian who was known for his influential work in the field of theology. His name is often associated with the doctrine of Jansenism, a movement that emerged in France during the 17th century. Jansenius's ideas were controversial and led to many debates and discussions within the Catholic Church. Some synonyms for Cornelius Jansenius include Jansen, Jansenist, and Jansenistic. These terms refer to the influence that Jansenius had on the theological landscape of his time and the enduring legacy of his ideas.