Parse this person name:

Seth van Saksen, 1488-1541, flourished 1513-1536
user
first_name: Seth
last_name: van Saksen
middle_names: []
temporal:
- start: 1488
  end: 1541
  type: life_span
- start: 1513
  end: 1536
  type: flourished
titles: []
extra_info: []
assistant