Parse this person name:

Xavi van Amstel (1312-1383, flourished 1329-1341)
user
first_name: Xavi
last_name: van Amstel
middle_names: []
temporal:
- start: 1312
  end: 1383
  type: life_span
- start: 1329
  end: 1341
  type: flourished
titles: []
extra_info: []
assistant