Parse this person name:

Marthe Legros, 1917-1991, flourished 1945-1972
user
first_name: Marthe
last_name: Legros
middle_names: []
temporal:
- start: 1917
  end: 1991
  type: life_span
- start: 1945
  end: 1972
  type: flourished
titles: []
extra_info: []
assistant