Shadow and Shawn!
Mehner is indeed not the appropriate source for researching Armeeabteilung/Armeegruppe A, MBH Krakau, Oberost and Grenzschutz Süd. Here is what I have:
Armeeabteilung/Armeegruppe A - 10.09.1939
Kdr.: Hammerstein-Equord Freiherr von Kurt, Gen. Obst. z. V.
Ch. d. St.: Hilpert Karl, Gen. Maj.
Ia: ?
MBH Krakau - acting as Grenzschutz Süd - Date unknown
Kdr.: Ulex Wilhelm, Gen. d. Art. z. V. (15.10.1939-14.05.1940)
Ch. d. St.: Hilpert Karl, Gen. Maj. (until 15.02.1940)
Brauner von Haydringen Josef, Gen. Maj. (from 15.02.1940)
Ia: ?, Schwarz Otto, Obstlt. i. G. (01.12.1939 - see Keilig and Mehner p. 37)
Oberost III - 14.05.1940, after
Oberost II became 9th Army on 14.05.1940
Kdr.: Gienanth Freiherr von Kurt, Gen. d. Kav. z. V.
Ch. d. St.: Brauner von Haydringen Josef, Gen. Maj.
Ia: Schwarz Otto, Obstlt. i. G.
MBH Generalgouvernement (GG) - 21.07.1940
Kdr.: Gienanth Freiherr von Kurt, Gen. d. Kav. z. V.
Ch. d. St.: Brauner von Haydringen Josef, Gen. Maj.
Ia: Schwarz Otto, Obstlt. i. G.
Wehrkreis Generalgouvernement (GG) - 15.07.1942
Kdr.: Gienanth Freiherr von Kurt, Gen. d. Kav. z. V. (bis 30.09.1942)
Additionally bothering is the fact that Mehner and Keilig both added a further Chief of Staff Armeeabteilung A/MBH Krakau, Herbert Osterkamp. But maybe he was just Ia. Moreover I´m not sure if Biblio is right stating Hilpert´s change of command on 13.09.1939. Could it be 13.10.1939 - would make sense.
Just a thought! Could this fledgling headquarters “A” have been formed along the Holland border (10 days after the initial Polish invasion), with Gen.Obst. Hammerstein as it’s “figurehead” commander (only C.O. for 11 days!), then transferred to Poland in mid-October, where ex X (10) AK commander Gen.W.Ulex took it over?
I think you are right, IMO.
Armeeabteilung “A”[10.0.39-13.10.39, an der holländischen Grenze, umgebildet in Mil.Bfh. Krakau/Grenzabschnitt Süd in Polen, dann Ob.Ost, wurde Mil.Bfh.i.Gen.Gouv./Wehrm.Bfh.Gen.Gouv./Bfh.Gen.Gouv.
Grenzschutz-Abschnittskommando Süd
[13.10.39-1.5.40, nach Lagenbericht ab 9.10. Gef.Std. in Krakau; aus Arm.Abt.A und Mil.Bfh.Krakau, ab 20.10.39 zugleich Oberost, nach Ablösung der in den Westen verlegten und in H.Gr.A umben. H.Gr.Süd/Oberost, Stab bildete AOK 9]
That´s indeed most curious. I think the above text is right, but the 2nd text is wrong. Oberost (II) was a newly created staff created on 20.10.1939 which became 9th Army on 14.05.1940.
PS: Shadow, You remember our discussion regarding Oberost on 10.05.1940. I stated that Blaskowitz was Oberost until 14.05.1940. A further source I found is stating that he was Oberost (II) until 30.04.1940, Führerreserve 01.05.1940-14.05.1940 and retook command of Oberost (II) on 14.05.1940 to rename Oberost (II) 9th Army. In the meantime Gienanth (Höh. Kdo. XXXVI) also led Oberost (II) from 01.05.1940-14.05.1940 while still being Cdr. Höh. Kdo. XXXVI (until 14.05.1940). On 14.05.1940 he took Grenzschutz Süd to rename it Oberost (III). So maybe Gienanth is a fair guess for being Oberost on 10.05.1940, too.
