Parse this person name:

Pleun Winnrich, 1912-1966, flourished 1941-1957
user
first_name: Pleun
last_name: Winnrich
middle_names: []
temporal:
- start: 1912
  end: 1966
  type: life_span
- start: 1941
  end: 1957
  type: flourished
titles: []
extra_info: []
assistant