Parse this person name:

Mia van Vermandois, 1422-1485, flourished 1438-1464
user
first_name: Mia
last_name: van Vermandois
middle_names: []
temporal:
- start: 1422
  end: 1485
  type: life_span
- start: 1438
  end: 1464
  type: flourished
titles: []
extra_info: []
assistant