Parse this person name:

Ivan Marangoni (1804-1868, flourished 1823-1850)
user
first_name: Ivan
last_name: Marangoni
middle_names: []
temporal:
- start: 1804
  end: 1868
  type: life_span
- start: 1823
  end: 1850
  type: flourished
titles: []
extra_info: []
assistant