Parse this person name:

Floortje de Lange (1247-1326, flourished 1272-1301)
user
first_name: Floortje
last_name: de Lange
middle_names: []
temporal:
- start: 1247
  end: 1326
  type: life_span
- start: 1272
  end: 1301
  type: flourished
titles: []
extra_info: []
assistant