Parse this person name:

Kerstin Kobelt, 1478-1554, flourished 1505-1515
user
first_name: Kerstin
last_name: Kobelt
middle_names: []
temporal:
- start: 1478
  end: 1554
  type: life_span
- start: 1505
  end: 1515
  type: flourished
titles: []
extra_info: []
assistant