Parse this person name:

Stefani Kusch (1796-1870, flourished 1818-1846)
user
first_name: Stefani
last_name: Kusch
middle_names: []
temporal:
- start: 1796
  end: 1870
  type: life_span
- start: 1818
  end: 1846
  type: flourished
titles: []
extra_info: []
assistant