Parse this person name:

Sem van Bernicia-Doorhof, 1496-1541, flourished 1521-1533
user
first_name: Sem
last_name: van Bernicia-Doorhof
middle_names: []
temporal:
- start: 1496
  end: 1541
  type: life_span
- start: 1521
  end: 1533
  type: flourished
titles: []
extra_info: []
assistant