Parse this person name:

Helmuth Holzapfel (1236-1281, flourished 1258-1269)
user
first_name: Helmuth
last_name: Holzapfel
middle_names: []
temporal:
- start: 1236
  end: 1281
  type: life_span
- start: 1258
  end: 1269
  type: flourished
titles: []
extra_info: []
assistant