Parse this person name:

Rosi Nerger, 1815-1861, flourished 1843-1854
user
first_name: Rosi
last_name: Nerger
middle_names: []
temporal:
- start: 1815
  end: 1861
  type: life_span
- start: 1843
  end: 1854
  type: flourished
titles: []
extra_info: []
assistant