Crew list of Ships hit by U-boats
Herman Kolff
Royal Dutch Navy. Dutch
| Born | 12 Nov 1907 | Brummen | |
| Died | 14 May 1942 | (34) |
Roster information listed for Herman Kolff
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Brabant | Motor merchant | Passenger (Luitenant ter zee 1e klasse) | 14 May 1942 (+) | U-155 (1) |