Parse this person name:

Henri Maréchal (1819-1896, flourished 1839-1857)
user
first_name: Henri
last_name: Maréchal
middle_names: []
temporal:
- start: 1819
  end: 1896
  type: life_span
- start: 1839
  end: 1857
  type: flourished
titles: []
extra_info: []
assistant