Parse this person name:

Anna van Egisheim (1232-1300, flourished 1262-1285)
user
first_name: Anna
last_name: van Egisheim
middle_names: []
temporal:
- start: 1232
  end: 1300
  type: life_span
- start: 1262
  end: 1285
  type: flourished
titles: []
extra_info: []
assistant