Crew list of Ships hit by U-boats
Idwal Mason Williams
Merchant Navy. British
| Born | 26 Dec 1920 | Penrhiwceiber, Glamorgan | |
| Died | 23 Nov 1940 | (19) |
Roster information listed for Idwal Mason Williams
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Bradfyne | Steam merchant | Apprentice | 23 Nov 1940 (+) | U-100 (1) |