Need help identifying pilot of 1940 Bf110 from 8./ZG76 with 7 victories

[John Vasco]

Originally Posted by Evgeny Velichko

Larry:

Bf110D-3, ????, 2N+AN (later 2N+AS, and more later S9+AN), pilot unknown (pictured in J.Vasco's book Zerstorer Vol.II p.103), was lost around summer 1941 on Eastern Front.

Evgeny,
When II./ZG 1 became III./ZG 76 they did not change the Staffel letter on the fuselage of their aircraft.
Do you have definite proof of the direct link between an aircraft coded 2N+AN later being coded S9+AN?