Parse this person name:

Yassin van Velzen (1300-1371, flourished 1326-1348)
user
first_name: Yassin
last_name: van Velzen
middle_names: []
temporal:
- start: 1300
  end: 1371
  type: life_span
- start: 1326
  end: 1348
  type: flourished
titles: []
extra_info: []
assistant