Parse this person name:

Stefan Eimer, 1515-1569, flourished 1531-1554
user
first_name: Stefan
last_name: Eimer
middle_names: []
temporal:
- start: 1515
  end: 1569
  type: life_span
- start: 1531
  end: 1554
  type: flourished
titles: []
extra_info: []
assistant