Crew list of Ships hit by U-boats
John Frederick Clarkson
Merchant Navy. British
| Born | 1903 | ||
| Died | 21 Sep 1940 | (37) |
Roster information listed for John Frederick Clarkson
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Blairangus | Steam merchant | Able Seaman | 21 Sep 1940 (+) | U-48 |