Parse this person name:

Gianfranco G. (Gianfranco Giuliana) Ovadia-Letta, born 1404
user
first_name: Gianfranco
last_name: Ovadia-Letta
middle_names:
- Giuliana
temporal:
- start: 1404
  end: null
  type: life_span
titles: []
extra_info: []
assistant