Parse this person name:

Sergius Gregorio, 1917-1971, flourished 1946-1958
user
first_name: Sergius
last_name: Gregorio
middle_names: []
temporal:
- start: 1917
  end: 1971
  type: life_span
- start: 1946
  end: 1958
  type: flourished
titles: []
extra_info: []
assistant