Parse this person name:

Blanca Fortuny (1811-1855, flourished 1827-1838)
user
first_name: Blanca
last_name: Fortuny
middle_names: []
temporal:
- start: 1811
  end: 1855
  type: life_span
- start: 1827
  end: 1838
  type: flourished
titles: []
extra_info: []
assistant