Knights Cross Holder Biography
Helmut Mertens | |
| Rank | Oberleutnant |
| Awarded | 9/4/1942 |
| Branch | Luftwaffe |
| As | Flugzeugführer |
| with/of/in | I./ Jagdgeschwader 3 Udet |
| Oakleaves | |
| Swords | |
| Diamonds | |
| Details | |
Helmut Mertens | |
| Rank | Oberleutnant |
| Awarded | 9/4/1942 |
| Branch | Luftwaffe |
| As | Flugzeugführer |
| with/of/in | I./ Jagdgeschwader 3 Udet |
| Oakleaves | |
| Swords | |
| Diamonds | |
| Details | |