Parse this person name:

Loïs de Graaf, 1278-1334, flourished 1301-1314
user
first_name: Loïs
last_name: de Graaf
middle_names: []
temporal:
- start: 1278
  end: 1334
  type: life_span
- start: 1301
  end: 1314
  type: flourished
titles: []
extra_info: []
assistant