Parse this person name:

Ruggiero Petrassi, 1317-1370, flourished 1333-1358
user
first_name: Ruggiero
last_name: Petrassi
middle_names: []
temporal:
- start: 1317
  end: 1370
  type: life_span
- start: 1333
  end: 1358
  type: flourished
titles: []
extra_info: []
assistant