Parse this person name:

Christiane Hettner, 1822-1895, flourished 1838-1851
user
first_name: Christiane
last_name: Hettner
middle_names: []
temporal:
- start: 1822
  end: 1895
  type: life_span
- start: 1838
  end: 1851
  type: flourished
titles: []
extra_info: []
assistant