Parse this person name:

Elias Stijn Maria de Bont, Zandeweer, 1275-1349
user
first_name: Elias
last_name: de Bont
middle_names:
- Stijn
- Maria
temporal:
- start: 1275
  end: 1349
  type: life_span
titles: []
extra_info:
- Zandeweer
assistant