Parse this person name:

Demi Vandenbergh'Schagen (1216-1287, flourished 1242-1262)
user
first_name: Demi
last_name: Vandenbergh'Schagen
middle_names: []
temporal:
- start: 1216
  end: 1287
  type: life_span
- start: 1242
  end: 1262
  type: flourished
titles: []
extra_info: []
assistant