Parse this person name:

Branko Ernst, 1410-1477, flourished 1435-1451
user
first_name: Branko
last_name: Ernst
middle_names: []
temporal:
- start: 1410
  end: 1477
  type: life_span
- start: 1435
  end: 1451
  type: flourished
titles: []
extra_info: []
assistant