Parse this person name:

Léon Dos Santos, 1694-1769, flourished 1713-1736
user
first_name: Léon
last_name: Dos Santos
middle_names: []
temporal:
- start: 1694
  end: 1769
  type: life_span
- start: 1713
  end: 1736
  type: flourished
titles: []
extra_info: []
assistant