Johannes Joseph van der Velden explained

Johannes Joseph van der Velden (7 August 1891 – 19 May 1954) was a Catholic theologian and Bishop of Aachen.

He presided over the Diocese of Aachen from 7 September 1943 until his death.^[1] In 1944, he advised the Allied authorities on the selection of Franz Oppenhoff, who was subsequently installed as Mayor of Aachen.^[2]

Notes and References

1. Web site: Bishop Johannes Joseph van der Velden . 2013-11-15 . The Hierarchy of the Catholic Church . Cheney . David M. .
2. Book: Henke, Klaus-Dietmar. Oldenbourg Verlag. 9783486561753. Die amerikanische Besetzung Deutschlands. 1996. 273–275 .