Parse this person name:

Juul van der Wal'Aarts (1223-1290, flourished 1253-1279)
user
first_name: Juul
last_name: van der Wal'Aarts
middle_names: []
temporal:
- start: 1223
  end: 1290
  type: life_span
- start: 1253
  end: 1279
  type: flourished
titles: []
extra_info: []
assistant