Crew list of Ships hit by U-boats
Jacobus Leendert Valken
Merchant Navy. Dutch
| Born | 18 Aug 1920 | Rotterdam |
Roster information listed for Jacobus Leendert Valken
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Ulysses | Steam merchant | Fireman | 12 Apr 1943 | U-563 |
| Born | 18 Aug 1920 | Rotterdam |
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
| Ulysses | Steam merchant | Fireman | 12 Apr 1943 | U-563 |