Cornelius Jansen, Dutch-French bishop and theologian (b. 1585)
Cornelius Jansen (, Dutch: [ˈjɑnsə(n)]; Latinized name Cornelius Jansenius; also Corneille Jansen; 28 October 1585 – 6 May 1638) was the Dutch Catholic bishop of Ypres in Flanders and the father of a theological movement known as Jansenism.