Parse this person name:

Alex Lelièvre (1948-2026, flourished 1963-1984)
user
first_name: Alex
last_name: Lelièvre
middle_names: []
temporal:
- start: 1948
  end: 2026
  type: life_span
- start: 1963
  end: 1984
  type: flourished
titles: []
extra_info: []
assistant