Crew list of Ships hit by U-boats
Johannes Derlagen
Merchant Navy. Dutch
| Born | 16 Jul 1911 | Amsterdam | |
| Died | 7 Dec 1940 | (29) |
Roster information listed for Johannes Derlagen
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Soesterberg | Steam merchant | Able Seaman and Lamp Trimmer | 19 Oct 1940 | U-101 |
| Farmsum | Steam merchant | Able Seaman/Gunner | 7 Dec 1940 (+) | U-99 (1) |