Crew list of Ships hit by U-boats
Gerardus Cornelis Jonker
Merchant Navy. Dutch
| Born | 26 May 1897 | Monnikendam |
Roster information listed for Gerardus Cornelis Jonker
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Zaanland | Steam merchant | Greaser | 17 Mar 1943 | U-758 |