Parse this person name:

Urs Hellwig, 1826-1904, flourished 1845-1868
user
first_name: Urs
last_name: Hellwig
middle_names: []
temporal:
- start: 1826
  end: 1904
  type: life_span
- start: 1845
  end: 1868
  type: flourished
titles: []
extra_info: []
assistant