Parse this person name:

Grégoire Lelièvre-Legros (1219-1267, flourished 1240-1257)
user
first_name: Grégoire
last_name: Lelièvre-Legros
middle_names: []
temporal:
- start: 1219
  end: 1267
  type: life_span
- start: 1240
  end: 1257
  type: flourished
titles: []
extra_info: []
assistant