Parse this person name:

Margot Hettner (1427-1489, flourished 1457-1481)
user
first_name: Margot
last_name: Hettner
middle_names: []
temporal:
- start: 1427
  end: 1489
  type: life_span
- start: 1457
  end: 1481
  type: flourished
titles: []
extra_info: []
assistant