Parse this person name:

Berat van Mil-Teunissen, 1319-1380, flourished 1347-1361
user
first_name: Berat
last_name: van Mil-Teunissen
middle_names: []
temporal:
- start: 1319
  end: 1380
  type: life_span
- start: 1347
  end: 1361
  type: flourished
titles: []
extra_info: []
assistant