Parse this person name:

Amir Freudenberger, 1801-1872, flourished 1820-1850
user
first_name: Amir
last_name: Freudenberger
middle_names: []
temporal:
- start: 1801
  end: 1872
  type: life_span
- start: 1820
  end: 1850
  type: flourished
titles: []
extra_info: []
assistant