Parse this person name:

Isa van Saksen, 1613-1689, flourished 1632-1643
user
first_name: Isa
last_name: van Saksen
middle_names: []
temporal:
- start: 1613
  end: 1689
  type: life_span
- start: 1632
  end: 1643
  type: flourished
titles: []
extra_info: []
assistant