Parse this person name:

Elise R. Mila D. Teun Willemsen, Poortvliet, flourished 1213-1237
user
first_name: Elise
last_name: Willemsen
middle_names:
- R.
- Mila
- D.
- Teun
temporal:
- start: 1213
  end: 1237
  type: flourished
titles: []
extra_info:
- Poortvliet
assistant