Parse this person name:

Rotraud Zimmer, 1725-1777, flourished 1746-1772
user
first_name: Rotraud
last_name: Zimmer
middle_names: []
temporal:
- start: 1725
  end: 1777
  type: life_span
- start: 1746
  end: 1772
  type: flourished
titles: []
extra_info: []
assistant