Parse this person name:

Ronaldo Petrassi, 1830-1878, flourished 1854-1873
user
first_name: Ronaldo
last_name: Petrassi
middle_names: []
temporal:
- start: 1830
  end: 1878
  type: life_span
- start: 1854
  end: 1873
  type: flourished
titles: []
extra_info: []
assistant