Parse this person name:

Sterre de Plantard (1231-1301, flourished 1252-1276)
user
first_name: Sterre
last_name: de Plantard
middle_names: []
temporal:
- start: 1231
  end: 1301
  type: life_span
- start: 1252
  end: 1276
  type: flourished
titles: []
extra_info: []
assistant