Parse this person name:

Margaux Letellier (1916-1969, flourished 1943-1957)
user
first_name: Margaux
last_name: Letellier
middle_names: []
temporal:
- start: 1916
  end: 1969
  type: life_span
- start: 1943
  end: 1957
  type: flourished
titles: []
extra_info: []
assistant