Parse this person name:

Léon Legrand, 1938-1998, flourished 1963-1982
user
first_name: Léon
last_name: Legrand
middle_names: []
temporal:
- start: 1938
  end: 1998
  type: life_span
- start: 1963
  end: 1982
  type: flourished
titles: []
extra_info: []
assistant