Parse this person name:

Grégoire Rolland (1254-1294, flourished 1277-1288)
user
first_name: Grégoire
last_name: Rolland
middle_names: []
temporal:
- start: 1254
  end: 1294
  type: life_span
- start: 1277
  end: 1288
  type: flourished
titles: []
extra_info: []
assistant