Parse this person name:

Heiko Hettner, 1295-1337, flourished 1310-1331
user
first_name: Heiko
last_name: Hettner
middle_names: []
temporal:
- start: 1295
  end: 1337
  type: life_span
- start: 1310
  end: 1331
  type: flourished
titles: []
extra_info: []
assistant