Parse this person name:

Julien Laroche, 1785-1841, flourished 1806-1828
user
first_name: Julien
last_name: Laroche
middle_names: []
temporal:
- start: 1785
  end: 1841
  type: life_span
- start: 1806
  end: 1828
  type: flourished
titles: []
extra_info: []
assistant