[Kaczmarek]

According to some documents.
Oberkommando der Luftwaffe, General der Schlachtflieger from 5th April 1945. Reorganisation of S.G. 151.

North Germany
Geschwaderstab S.G. 151
I./S.G. 151 with
1. Staffel
2. Staffel
12. Staffel with Pz.Blitz-Ausb.Kdo. 12./S.G. 151
15./S.G. 151 with subordinated 14./S.G. 151

South Germany
II./S.G. 151 with
4. Staffel
5. Staffel
10. Staffel and
11. Staffel.

With an immediate effect the following reorganisation of Schlachtgeschw. 151 becomes effective. From 8th April 1945.

Stab Schlachtgeschwader 151 with
Stab I./S.G. 151 with Stabskomp. and 1., 2., 12. Staffel
Stab II./S.G. 151 with Stabskomp. and 3. - 6. Staffel
15. und 14./S.G. 151
Umrüstkdo (S)

Disbanded:
Stab III./S.G. 151 with Stabskomp. and 7. - 9. Staffel
Stab IV./S.G. 151
Formed for 3 months:
Pz.Blitz-Ausbildungskommando
Erg.Kommando Bü 181

Subordination:
12. Staffel under I./S.G. 151
3. Staffel under II./S.G. 151
14. Staffel under 15./S.G. 151
Pz.Blitz Ausb.Kdo. under 12./S.G. 151
Erg.Kdo. Bü 181 under 15./S.G. 151
Umrüstkdo. (S) under Stab S.G. 151

Hope this helps.
Kaczmarek