Parse this person name:

Gijs de Strigter, 1243-1311, flourished 1264-1283
user
first_name: Gijs
last_name: de Strigter
middle_names: []
temporal:
- start: 1243
  end: 1311
  type: life_span
- start: 1264
  end: 1283
  type: flourished
titles: []
extra_info: []
assistant