Parse this person name:

Margaux Charpentier-Legrand, 1723-1779, flourished 1744-1763
user
first_name: Margaux
last_name: Charpentier-Legrand
middle_names: []
temporal:
- start: 1723
  end: 1779
  type: life_span
- start: 1744
  end: 1763
  type: flourished
titles: []
extra_info: []
assistant