Parse this person name:

Victor Rocher, 1809-1856, flourished 1839-1850
user
first_name: Victor
last_name: Rocher
middle_names: []
temporal:
- start: 1809
  end: 1856
  type: life_span
- start: 1839
  end: 1850
  type: flourished
titles: []
extra_info: []
assistant