Parse this person name:

Sarah van Bentheim (1390-1439, flourished 1414-1428)
user
first_name: Sarah
last_name: van Bentheim
middle_names: []
temporal:
- start: 1390
  end: 1439
  type: life_span
- start: 1414
  end: 1428
  type: flourished
titles: []
extra_info: []
assistant