Parse this person name:

Valeria Roero (1819-1862, flourished 1843-1857)
user
first_name: Valeria
last_name: Roero
middle_names: []
temporal:
- start: 1819
  end: 1862
  type: life_span
- start: 1843
  end: 1857
  type: flourished
titles: []
extra_info: []
assistant