Parse this person name:

Ivan van Bruchem, 1427-1493, flourished 1453-1479
user
first_name: Ivan
last_name: van Bruchem
middle_names: []
temporal:
- start: 1427
  end: 1493
  type: life_span
- start: 1453
  end: 1479
  type: flourished
titles: []
extra_info: []
assistant