Parse this person name:

Grégoire Legros, 1527-1585, flourished 1553-1564
user
first_name: Grégoire
last_name: Legros
middle_names: []
temporal:
- start: 1527
  end: 1585
  type: life_span
- start: 1553
  end: 1564
  type: flourished
titles: []
extra_info: []
assistant