He was exchanged in May 1944 and returned to Germany , reportedly because of his problems with asthma .
From 16 May on he was held in the special prison for captured German generals and staff officers at Trent Park .
He was exchanged in May 1944 and returned to German , reportedly because of his problems with asthma .
From 16 May on he was held in the special prison for captured German generals and staff officers at Trent Park .