Parse this person name:

Allegra R. Tiziano Raffaella Elladio Manacorda-Siffredi, Arsago Seprio, flourished 1272-1306
user
first_name: Allegra
last_name: Manacorda-Siffredi
middle_names:
- R.
- Tiziano
- Raffaella
- Elladio
temporal:
- start: 1272
  end: 1306
  type: flourished
titles: []
extra_info:
- Arsago Seprio
assistant