Parse this person name:

Benjamin Evrard, 1818-1894, flourished 1836-1849
user
first_name: Benjamin
last_name: Evrard
middle_names: []
temporal:
- start: 1818
  end: 1894
  type: life_span
- start: 1836
  end: 1849
  type: flourished
titles: []
extra_info: []
assistant