Parse this person name:

Stef van Henegouwen-Peeters (1218-1278, flourished 1242-1253)
user
first_name: Stef
last_name: van Henegouwen-Peeters
middle_names: []
temporal:
- start: 1218
  end: 1278
  type: life_span
- start: 1242
  end: 1253
  type: flourished
titles: []
extra_info: []
assistant