Parse this person name:

Itziar Portero, 1910-1980, flourished 1929-1954
user
first_name: Itziar
last_name: Portero
middle_names: []
temporal:
- start: 1910
  end: 1980
  type: life_span
- start: 1929
  end: 1954
  type: flourished
titles: []
extra_info: []
assistant