Parse this person name:

Thierry Legrand, 1313-1384, flourished 1340-1368
user
first_name: Thierry
last_name: Legrand
middle_names: []
temporal:
- start: 1313
  end: 1384
  type: life_span
- start: 1340
  end: 1368
  type: flourished
titles: []
extra_info: []
assistant