Crew list of Ships hit by U-boats
Gerardus Hindrikus Derks
Merchant Navy. Dutch
| Born | 14 Apr 1911 | Bellingwolde | |
| Died | 4 Apr 1942 | (30) |
Roster information listed for Gerardus Hindrikus Derks
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Boekelo | Steam merchant | Ordinary Seaman | 18 Oct 1940 | U-100 |
| Alphacca | Steam merchant | Able Seaman | 4 Apr 1942 (+) | U-505 (1) |