Parse this person name:

Émile Marchand (1774-1827, flourished 1792-1822)
user
first_name: Émile
last_name: Marchand
middle_names: []
temporal:
- start: 1774
  end: 1827
  type: life_span
- start: 1792
  end: 1822
  type: flourished
titles: []
extra_info: []
assistant