Parse this person name:

Francis Vinko Necati Margraf, Bitterfeld, flourished 1307-1331
user
first_name: Francis
last_name: Margraf
middle_names:
- Vinko
- Necati
temporal:
- start: 1307
  end: 1331
  type: flourished
titles: []
extra_info:
- Bitterfeld
assistant