Holthoff, Felix Franz Georg | Pietzcowsky | 1884 | Osthollerland |
Holthoff, Friedrich Hermann Julius | Pietzcowsky | 1881 | Osthollerland |
Holthoff, Friedrich Wilhelm | Pietzcowsky | 1888 | Osthollerland |
Holthoff, Julius Franz Georg | Pietzcowsky | 1882 | Osthollerland |