Parse this person name:

Letizia L. (Letizia Lando) Sgalambro, 1249-1295
user
first_name: Letizia
last_name: Sgalambro
middle_names:
- Lando
temporal:
- start: 1249
  end: 1295
  type: life_span
titles: []
extra_info: []
assistant