The cathedral owes its name to Victor of Xanten, a member of the Theban Legion who was supposedly executed in the 4th century in the amphitheater of Castra Vetera for refusing to sacrifice to the Roman gods.
During a modern excavation the existence of a 4th-century cella memoriae was discovered; however, it was determined that it had not been erected for Victor but for two other male corpses that were placed in the crypt at a later date.
Instead a twin pair of chapels is connected to the choir similar to that seen at the Church of Our Lady (German: Liebfrauenkirche) in Trier.
In 2019, after eight years of negotiations, ownership of the painting was returned to the descendants of Gottlieb and Mathilde Kraus "in recognition of the Nazi injustice.
"[2][3] Today the cathedral is the seat of the auxiliary bishop Heinrich Janssen who presides over the Lower Rhine part of the Diocese of Münster.