Parse this person name:

Arnd Pohl'Graf, 1293-1354, flourished 1319-1341
user
first_name: Arnd
last_name: Pohl'Graf
middle_names: []
temporal:
- start: 1293
  end: 1354
  type: life_span
- start: 1319
  end: 1341
  type: flourished
titles: []
extra_info: []
assistant