Crew list of Ships hit by U-boats
John William Sygrove
Merchant Navy. Canadian
| Died | 29 Jun 1941 |
Roster information listed for John William Sygrove
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Grayburn | Steam merchant | Master | 29 Jun 1941 (+) | U-651 |
| Died | 29 Jun 1941 |
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
| Grayburn | Steam merchant | Master | 29 Jun 1941 (+) | U-651 |