Parse this person name:

Bernfried Kroker (1528-1600, flourished 1550-1562)
user
first_name: Bernfried
last_name: Kroker
middle_names: []
temporal:
- start: 1528
  end: 1600
  type: life_span
- start: 1550
  end: 1562
  type: flourished
titles: []
extra_info: []
assistant