Parse this person name:

Dave van Roijen, 1387-1446, flourished 1410-1421
user
first_name: Dave
last_name: van Roijen
middle_names: []
temporal:
- start: 1387
  end: 1446
  type: life_span
- start: 1410
  end: 1421
  type: flourished
titles: []
extra_info: []
assistant