Parse this person name:

Nathalie Besnard, 1239-1283, flourished 1259-1270
user
first_name: Nathalie
last_name: Besnard
middle_names: []
temporal:
- start: 1239
  end: 1283
  type: life_span
- start: 1259
  end: 1270
  type: flourished
titles: []
extra_info: []
assistant