Parse this person name:

Siegbert Rörricht, 1933-2008, flourished 1961-1986
user
first_name: Siegbert
last_name: Rörricht
middle_names: []
temporal:
- start: 1933
  end: 2008
  type: life_span
- start: 1961
  end: 1986
  type: flourished
titles: []
extra_info: []
assistant