Crew list of Ships hit by U-boats
John William Clementson
Merchant Navy. British
| Born | 1919 | North Shields | |
| Died | 4 Mar 1943 | (24) |
Roster information listed for John William Clementson
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | City of Pretoria | Steam merchant | Fourth Engineer Officer | 4 Mar 1943 (+) | U-172 (1) |