Parse this person name:

Kai van Ochten, 1373-1419, flourished 1396-1406
user
first_name: Kai
last_name: van Ochten
middle_names: []
temporal:
- start: 1373
  end: 1419
  type: life_span
- start: 1396
  end: 1406
  type: flourished
titles: []
extra_info: []
assistant