Crew list of Ships hit by U-boats
Gustav Ingvald Grønkvist
Merchant Navy. Norwegian
| Born | 27 May 1900 | Hvaler, Østfold | |
| Died | 9 Mar 1943 | (42) |
Roster information listed for Gustav Ingvald Grønkvist
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Bonneville | Motor merchant | Chief Engineer Officer | 9 Mar 1943 (+) | U-405 (1) |