Parse this person name:

Elias de Plantard, 1230-1293, flourished 1245-1275
user
first_name: Elias
last_name: de Plantard
middle_names: []
temporal:
- start: 1230
  end: 1293
  type: life_span
- start: 1245
  end: 1275
  type: flourished
titles: []
extra_info: []
assistant