Parse this person name:

Valentin Köhler, 1562-1602, flourished 1578-1591
user
first_name: Valentin
last_name: Köhler
middle_names: []
temporal:
- start: 1562
  end: 1602
  type: life_span
- start: 1578
  end: 1591
  type: flourished
titles: []
extra_info: []
assistant