What can be taken from the photo: definitely not WWI uniform, but the one of Hungarian Honvéd Army from WWII, it matches with the possible birth year.
Found one Hauszknecht casualty, unfortunately the birth place is empty on the record:
http://www.hadisir.hu/?o*=0&bejegyzesek=lista&*=0&am...There is a forum on Hausknechts:
http://www.radixforum.com/vezeteknevek/hausknecht/Good luck!
Laszlo