Parse this person name:

Norbert J. C. Flantz, Bad Kissingen, flourished 1373-1403
user
first_name: Norbert
last_name: Flantz
middle_names:
- J.
- C.
temporal:
- start: 1373
  end: 1403
  type: flourished
titles: []
extra_info:
- Bad Kissingen
assistant