Parse this person name:

Bertrand Pereira, 1873-1917, flourished 1896-1912
user
first_name: Bertrand
last_name: Pereira
middle_names: []
temporal:
- start: 1873
  end: 1917
  type: life_span
- start: 1896
  end: 1912
  type: flourished
titles: []
extra_info: []
assistant