Crew list of Ships hit by U-boats
Leonardus Karel van der Sijs
Merchant Navy. Dutch
| Born | 31 Aug 1897 | Rotterdam |
Roster information listed for Leonardus Karel van der Sijs
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Maasdam | Steam merchant | Oiler | 27 Jun 1941 | U-564 |