Parse this person name:

Severiano Trillo, 1939-1980, flourished 1967-1975
user
first_name: Severiano
last_name: Trillo
middle_names: []
temporal:
- start: 1939
  end: 1980
  type: life_span
- start: 1967
  end: 1975
  type: flourished
titles: []
extra_info: []
assistant