Parse this person name:

Étienne Leduc (1792-1844, flourished 1819-1839)
user
first_name: Étienne
last_name: Leduc
middle_names: []
temporal:
- start: 1792
  end: 1844
  type: life_span
- start: 1819
  end: 1839
  type: flourished
titles: []
extra_info: []
assistant