Crew list of Ships hit by U-boats
Willem Dienaar
Royal Dutch Navy. Dutch
| Born | 15 May 1915 | Den Helder | |
| Died | 13 Nov 1942 | (27) |
Roster information listed for Willem Dienaar
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | HNMS Isaac Sweers (G 83) | Destroyer | Stoker 2e klasse | 13 Nov 1942 (+) | U-431 |