Parse this person name:

Owen van Waas, 1308-1375, flourished 1337-1347
user
first_name: Owen
last_name: van Waas
middle_names: []
temporal:
- start: 1308
  end: 1375
  type: life_span
- start: 1337
  end: 1347
  type: flourished
titles: []
extra_info: []
assistant