Crew list of Ships hit by U-boats
John Frederick Warner
RN (C/JX 201350). British
| Born | 1920 | London | |
| Died | 10 Mar 1943 | (23) |
Roster information listed for John Frederick Warner
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Coulmore | Steam merchant | Able Seaman (DEMS gunner) | 10 Mar 1943 (+) | U-229 (1) |