Parse this person name:

Maréchal-Breton, Margaux (flourished 1852-1878), flourished 1852-1878
user
first_name: Margaux
last_name: Maréchal-Breton
middle_names: []
temporal:
- start: 1852
  end: 1878
  type: flourished
titles: []
extra_info: []
assistant