Parse this person name:

Emir van Wessex, 1930-1996, flourished 1949-1970
user
first_name: Emir
last_name: van Wessex
middle_names: []
temporal:
- start: 1930
  end: 1996
  type: life_span
- start: 1949
  end: 1970
  type: flourished
titles: []
extra_info: []
assistant