By October 1941 they were forced to wear the "yellow star" and around the end of the year they were informed that they would be sent to Cologne. Bessel-Hagen wrote that he knew this was (see and):
Sa pamamagitan ng Oktubre 1941 sila ay sapilitang na magsuot ng "dilaw na bituin" at sa paligid ng dulo ng taon na sila ay sabihan na sila ay ipapadala sa Cologne. Bessel-Hagen wrote na siya, alam na ito ay (at makita):