Parse this person name:

Fleur de Wit (1287-1365, flourished 1306-1321)
user
first_name: Fleur
last_name: de Wit
middle_names: []
temporal:
- start: 1287
  end: 1365
  type: life_span
- start: 1306
  end: 1321
  type: flourished
titles: []
extra_info: []
assistant