Crew list of Ships hit by U-boats
Helge Kristoffer Karlsson
Merchant Navy. Swedish
| Born | 23 Sep 1908 | Hudiskvall, Gävleborg | |
| Died | 18 Jan 1940 | (31) |
Roster information listed for Helge Kristoffer Karlsson
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Foxen | Steam merchant | Third Engineer Officer | 18 Jan 1940 (+) | U-55 |