Unit history was more complicated.
I was able to put together some info, when was making III./ZG1 unit history. Look here.
http://www.schwaan.info/ZG1/index.ph...cal-background
For Commanding officers, look here:
http://www.schwaan.info/ZG1/index.ph...zg1-komandeure
For Bf109E-7/B equipped 10.(JaBo)/JG27, StaKa was Oblt. Richard Echhardt (KIA 25.10.42)
For Bf109F-4/B equipped 10.(JaBo)/JG53, StaKa was Oblt. Hermann Langemann