Parse this person name:

Fem Boer-van Amstel (1360-1414, flourished 1378-1399)
user
first_name: Fem
last_name: Boer-van Amstel
middle_names: []
temporal:
- start: 1360
  end: 1414
  type: life_span
- start: 1378
  end: 1399
  type: flourished
titles: []
extra_info: []
assistant