Cornelius Jansen
（重定向自Jansenius）
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Corneille Janssens (/ˈdʒænsən/; Dutch: [ˈjɑnsəns]), commonly known by the Latinized name Cornelius Jansen ([ˈjɑnsə(n)]) or Jansenius (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.