Parse this person name:

Nadia Groenestein, 1820-1882, flourished 1840-1858
user
first_name: Nadia
last_name: Groenestein
middle_names: []
temporal:
- start: 1820
  end: 1882
  type: life_span
- start: 1840
  end: 1858
  type: flourished
titles: []
extra_info: []
assistant