Parse this person name:

Nova van Embden (1417-1470, flourished 1446-1459)
user
first_name: Nova
last_name: van Embden
middle_names: []
temporal:
- start: 1417
  end: 1470
  type: life_span
- start: 1446
  end: 1459
  type: flourished
titles: []
extra_info: []
assistant