Kammala jumla mai zuwa: Tare da isowar gwamnatin Belgium a gudun hijira da kuma samar da 'yancin' yancin Belgium, ya zama kwamandan kwamandan kuma ya jagoranci kungiyar kungiyar ta 1st Belgian Infantry Brigade, wani sashi wanda daga bisani ya yi yaƙi a cikin
kamfen a arewa maso yammacin Turai. A cikin 1941 ya zama Sufeto Janar na sojojin ƙasa na Belgium a Burtaniya.