# XVII Reserve Corps (German Empire)

The XVII Reserve Corps / XVII RK (German: XVII. Reserve-Korps) was a corps level command of the German Army in World War I.

## History

The Corps was formed in October 1914 as the temporary Corps Graudenz or Corps Zastrow named for its commander General der Infanterie Ernst von Zastrow, military governor of Graudenz. On 21 July 1915 it was established as XVII Reserve Corps. The Corps was dissolved on 17 September 1917.
The nucleus of the corps was troops collected at Graudenz Fortress. In mid-November 1914 it consisted of two divisions: Wernitz and Breugel with a strength of 26 battalions, 6 squadrons and 13 batteries.
On February 8, 1915 Zastrow Korps was organized as follows:
| Corps | Division | Brigade | Units |
| Zastrow Corps Graudenz Corps | Wernitz Division | Ersatz Brigade Grossmann | Ersatz Regiment Reinhardt |
| Zastrow Corps Graudenz Corps | Wernitz Division | Ersatz Brigade Grossmann | Ersatz Regiment Wetzel (2 Btl.) |
| Zastrow Corps Graudenz Corps | Wernitz Division | Ersatz Brigade Grossmann | Festungs MG Abteilung 9 |
| Zastrow Corps Graudenz Corps | Wernitz Division | Ersatz Brigade Grossmann | Festungs MG Abteilung 8 |
| Zastrow Corps Graudenz Corps | Wernitz Division | Ersatz Brigade Windheim | Ersatz Regiment Hoebel |
| Zastrow Corps Graudenz Corps | Wernitz Division | Ersatz Brigade Windheim | Ersatz Regiment Groppe |
| Zastrow Corps Graudenz Corps | Wernitz Division | Ersatz Brigade Windheim | Festungs MG Abteilung 3 |
| Zastrow Corps Graudenz Corps | Wernitz Division | Ersatz Brigade Windheim | 1st Ersatz MG Komp des XX AK |
| Zastrow Corps Graudenz Corps | Wernitz Division | Divisional Units | Bicycle Company Culm |
| Zastrow Corps Graudenz Corps | Wernitz Division | Divisional Units | Mounted Rgt Cleinow |
| Zastrow Corps Graudenz Corps | Wernitz Division | Divisional Units | 2d Ersatz Battery/3d Guard Field Artillery Rgt 1 |
| Zastrow Corps Graudenz Corps | Wernitz Division | Divisional Units | 1st Ersatz Battery/ Field Artillery Rgt 71 |
| Zastrow Corps Graudenz Corps | Wernitz Division | Divisional Units | Field Artillery Ersatz Abt 72 |
| Zastrow Corps Graudenz Corps | Wernitz Division | Divisional Units | 1st Ersatz Battery/ Field Artillery Rgt 79 |
| Zastrow Corps Graudenz Corps | Wernitz Division | Divisional Units | Ist Battalion/Res Foot Artillery Rgt 17 (Heavy Field Howitzers) |
| Zastrow Corps Graudenz Corps | Wernitz Division | Divisional Units | 2d Ersatz battery/Foot Artillery Rgt 17 (10-Cm Cannon) |
| Zastrow Corps Graudenz Corps | Wernitz Division | Divisional Units | 3d Ersatz Co./Pioneer Battalion 26 |
| Zastrow Corps Graudenz Corps | Wernitz Division | Divisional Units | 2d Landwehr Pioneer Co., III AK |
| Zastrow Corps Graudenz Corps | Breugel Division | Brigade Falkenhayn | Landwehr Infantry Rgt 61 |
| Zastrow Corps Graudenz Corps | Breugel Division | Brigade Falkenhayn | Landwehr Infantry Rgt 99 |
| Zastrow Corps Graudenz Corps | Breugel Division | Brigade Falkenhayn | Ersatz Battalion/ Landwehr Infantry Rgt 5 |
| Zastrow Corps Graudenz Corps | Breugel Division | Brigade Falkenhayn | Festungs MG Abt 1 |
| Zastrow Corps Graudenz Corps | Breugel Division | Brigade Falkenhayn | Festungs MG Abt 4 |
| Zastrow Corps Graudenz Corps | Breugel Division | Brigade Pfafferot | Landwehr Infantry Rgt 17 |
| Zastrow Corps Graudenz Corps | Breugel Division | Brigade Pfafferot | Landwehr Infantry Regiment 21 |
| Zastrow Corps Graudenz Corps | Breugel Division | Brigade Pfafferot | Ersatz Battalion/ Landwehr Infantry Rgt Culm |
| Zastrow Corps Graudenz Corps | Breugel Division | Brigade Pfafferot | Festungs MG Abt 7 |
| Zastrow Corps Graudenz Corps | Breugel Division | Brigade Pfafferot | Festungs MG Abt v. Stulpnagel |
| Zastrow Corps Graudenz Corps | Breugel Division | Brigade Pfafferot | Ersatz Festungs MG Abt 2 |
| Zastrow Corps Graudenz Corps | Breugel Division | Divisional Units | Bicycle Co. Marienberg |
| Zastrow Corps Graudenz Corps | Breugel Division | Divisional Units | ½ Bicycle Co. Graudenz |
| Zastrow Corps Graudenz Corps | Breugel Division | Divisional Units | 1st & 2d mob Ersatz Sqs, XVII AK |
| Zastrow Corps Graudenz Corps | Breugel Division | Divisional Units | 2d Ersatz Battery/Field Artillery Rgt 36 |
| Zastrow Corps Graudenz Corps | Breugel Division | Divisional Units | 2d Ersatz Battery/Field Artillery Rgt 73 |
| Zastrow Corps Graudenz Corps | Breugel Division | Divisional Units | 2d Ersatz Battery/Field Artillery Rgt 79 |
| Zastrow Corps Graudenz Corps | Breugel Division | Divisional Units | 5th Battery/Foot Artillery Rgt 15 (Heavy Field Howitzers) |
| Zastrow Corps Graudenz Corps | Breugel Division | Divisional Units | ¾ Ist Battalion/2d Guard Landwehr Foot Artillery Rgt (Heavy Field Howitzers) |
| Zastrow Corps Graudenz Corps | Breugel Division | Divisional Units | 7th Battery/Foot Artillery Rgt 15 (10-Cm Cannon) |
| Zastrow Corps Graudenz Corps | Breugel Division | Divisional Units | 4th Co./ Pioneer Btl 26 |
| Zastrow Corps Graudenz Corps | Breugel Division | Divisional Units | 1st Reserve Co./Pioneer Btl 26 |

## Commanders

Corps Zastrow / XVII Reserve Corps had the following commanders during its existence:
| From | Rank | Name |
| 12 September 1914 | General der Infanterie | Ernst von Zastrow |
| 25 September 1915 | Generalleutnant | Karl Suren |
| 3 September 1916 | General der Infanterie | Reinhard von Scheffer-Boyadel |