Crew list of Ships hit by U-boats
Dietrich Willemsen
Merchant Navy. Dutch
| Born | 20 Mar 1903 | Duisburg, Germany |
Roster information listed for Dietrich Willemsen
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Rotterdam | Motor tanker | Third Engineer Officer | 27 Aug 1942 | U-511 |