Parse this person name:

Pierre Pereira, 1815-1872, flourished 1838-1858
user
first_name: Pierre
last_name: Pereira
middle_names: []
temporal:
- start: 1815
  end: 1872
  type: life_span
- start: 1838
  end: 1858
  type: flourished
titles: []
extra_info: []
assistant