Crew list of Ships hit by U-boats
Samuel Izak Schaap
Merchant Navy. Dutch
| Born | 9 Aug 1906 | Den Haag | |
| Died | 17 Mar 1943 | (36) |
Roster information listed for Samuel Izak Schaap
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Mandalika | Steam merchant | Cook | 19 Mar 1941 | U-105 |
| Soekaboemi | Steam merchant | Cook | 27 Dec 1942 | U-356 |
| Terkoelei | Steam merchant | Cook | 17 Mar 1943 (+) | U-631 (1) |