via Peter Kassak;
Ahout Jenne this is what I was able to dig out of his personal Karte at Aachen some years ago:
* Born: 5. June 1920 Wittenberg/Sachsen
Promotions:
1.4.1940 - Fhj-Gefr.
1.6.1940 - Fhj.Uffz.
1.9.1940 - Fhr. at FFS (C) 3
1.2.1941 - Ofhr. 1.4.1941 - Lt. 1.4.1943 - Oblt. 1.4.1944 - Hptm at I./ ZG 26
Units: 5.1.1940 - 2. Komp A/Fl. Ausb Rgt 42
16.7.1940 - Sch./Fl. Ausb Rgt 21
17.7.1940 - -"- 12.12.1940 - FFS C 3 Atl Lönnewitz
25.10.1941 - Nachtjagdschule 1 Neubiberg
20.1.1943 crash with Bf 110 G-0/Tr. W.Nr.5147 (S9+GB) at 11.32 at airfield Schachty-Nord, 70%
Stab I./ ZG 1, pilot Lt. Peter Jenne, Bordfunker Fw. Alfonz Jehle (KIA) during landing maneuver, Pilot overflew landing cross over 150 m, was long on landing strip and finished at the end in 50 cm deep fresh snow.
Summer 1942 - 1./ZG 1, pilot 9.10.43 - 1./ZG 1, StaKa (previous, Oblt. R.Ossmann was killed by B-17 gunners) 13.10.43 - 1./ZG 26, StaKa 4.44 (?) - I./ZG 26, Gr.Kdr. (acting?) 7.44 - 1./JG 6, StaKa 12.09.44 - 12./JG 300, StaKa 1.01.45 - III./JG 300, Gr.Kdr. (previous, Major Hans-Karl Kamp killed in Luftkampf on 31.12.44)
About crash on 20.01.43 - from John Vasco's list it was Bf 110 G-2, 50% damage, and he is listed as 1./ZG 1 pilot.
19.09.42, Ltn. Peter Jenne, 1./ZG 1, LaGG-3, 5 km. südostw. Kotluban: 1.500 m., 06.13 (confirmed together with Oblt.R.Ossmann's victory - both LaGG-3's, 291 iap)
13.12.42, Ltn. Peter Jenne, Stab I./ZG 1, MiG-3, 29 484 at 1.000 m., 12.30
08.07.43, Oblt. Peter Jenne, 3./ZG 1, Il-4, 63 574: at 1.000 m. 09.30 (actually Il-2 two seater)
20.12.43, Oblt. Peter Jenne, 1./ZG 26, B-17, Rolde b. Assen: no height 13.25
22.12.43, Oblt. Peter Jenne, 1./ZG 26, B-24, vor Texel i. Holland: 8.000 m., 14.55
22.12.43, Oblt. Peter Jenne, 1./ZG 26, B-24, vor Texel i. Holland: 8.000 m., 15.00
10.02.44, Oblt. Peter Jenne, 1./ZG 26, B-17, 6 km. S. Nienburg: 6.000 m., 12.25
August 1944 III./ JG 300
17.12.44, Hptm. Peter Jenne, Stab III./JG 300, B-24, RP: 6.000 m. [Sternburg], 12.15
17.12.44, Hptm. Peter Jenne, Stab III./JG 300, B-24, RP: 6.000 m. [Sternburg], 12.15-20
In an encounter with enemy fighters on 2 March 1945 over Schmerwitz, Jenne was shot down in Messerschmitt Bf 109 G-10 (W.Nr. 151 533) “Blue 1”.
Hptm. Jenne left I./ZG 26 on the first of June 1944. He was never StaKa of 1./JG 6. Jenne became Kdr of I./ZG 26 on ~23.02.1944 when he was still an Oblt. Hptm. August Bier was Kdr of I./ZG 26 from 10.43 till 2.1944.
Decorations:
26.6.1942 - EK II 4.8.1942 - EK I 20.11.1942 - Ehrenpokal 1.4.1943 - DK in Gold
13.9.1942 - Frontflugspange in Gold
2.2.1945 -RK
His final score was 17 aircraft shot down in air combat and 12 tanks, 12 vehicles destroyed on the ground.