@Jeno Lichtenstein 's records present two dates of death (see attached sources):
One record, from the Hungary Civil Registration, states that he died November 15, 1942.
The second record, from the Hungarian Jewish Victims: Names from the Nevek Project, states: Date Missing: January 22, 1943.
The place of death is unknown.
If anyone knows more about the date and location of Jeno's death, please contact me.
Thank you.
Elena Tscherny