Parse this person name:

Swantje Kallert-Weitzel, 1241-1283, flourished 1264-1278
user
first_name: Swantje
last_name: Kallert-Weitzel
middle_names: []
temporal:
- start: 1241
  end: 1283
  type: life_span
- start: 1264
  end: 1278
  type: flourished
titles: []
extra_info: []
assistant