Parse this person name:

Léon Langlois-Cousin (1599-1666, flourished 1618-1642)
user
first_name: Léon
last_name: Langlois-Cousin
middle_names: []
temporal:
- start: 1599
  end: 1666
  type: life_span
- start: 1618
  end: 1642
  type: flourished
titles: []
extra_info: []
assistant