Crew list of Ships hit by U-boats
John Williams
Merchant Navy. British
| Born | 1903 | Freetown, Sierra Leone | |
| Died | 9 Apr 1942 | (39) |
Roster information listed for John Williams
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Rio Blanco | Steam merchant | Fireman and Trimmer | 1 Apr 1942 (+) | U-160 (1) |