Parse this person name:

Helmtrud Biggen (1280-1328, flourished 1303-1323)
user
first_name: Helmtrud
last_name: Biggen
middle_names: []
temporal:
- start: 1280
  end: 1328
  type: life_span
- start: 1303
  end: 1323
  type: flourished
titles: []
extra_info: []
assistant