Parse this person name:

Guenther Wohlgemut (1209-1284, flourished 1229-1242)
user
first_name: Guenther
last_name: Wohlgemut
middle_names: []
temporal:
- start: 1209
  end: 1284
  type: life_span
- start: 1229
  end: 1242
  type: flourished
titles: []
extra_info: []
assistant