Parse this person name:

Bernt Kreusel (1328-1378, flourished 1350-1364)
user
first_name: Bernt
last_name: Kreusel
middle_names: []
temporal:
- start: 1328
  end: 1378
  type: life_span
- start: 1350
  end: 1364
  type: flourished
titles: []
extra_info: []
assistant