Crew list of Ships hit by U-boats
Karl Valdemar Karlsson
Merchant Navy. Swedish
| Born | 18 Apr 1907 | Arboga | |
| Died | 12 Jan 1942 | (34) |
Roster information listed for Karl Valdemar Karlsson
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Yngaren | Motor merchant | First Engineer Officer | 12 Jan 1942 (+) | U-43 |