Crew list of Ships hit by U-boats
Marius Arie de Keijzer
Merchant Navy. Dutch
| Born | 3 Aug 1915 | Vlaardingen | |
| Died | 12 May 1942 | (26) |
Roster information listed for Marius Arie de Keijzer
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Leto | Steam merchant | Fourth Engineer Officer | 12 May 1942 (+) | U-553 (1) |