Parse this person name:

Sergei Bohnbach (1375-1447, flourished 1394-1404)
user
first_name: Sergei
last_name: Bohnbach
middle_names: []
temporal:
- start: 1375
  end: 1447
  type: life_span
- start: 1394
  end: 1404
  type: flourished
titles: []
extra_info: []
assistant