Parse this person name:

Bernt Heydrich, 1431-1487, flourished 1460-1473
user
first_name: Bernt
last_name: Heydrich
middle_names: []
temporal:
- start: 1431
  end: 1487
  type: life_span
- start: 1460
  end: 1473
  type: flourished
titles: []
extra_info: []
assistant