Parse this person name:

Professor Liz van Clootwijck, Readtsjerk, 1276-1296
user
first_name: Liz
last_name: van Clootwijck
middle_names: []
temporal:
- start: 1276
  end: 1296
  type: life_span
titles:
- Professor
extra_info:
- Readtsjerk
assistant