Parse this person name:

Naud Blaak, 1251-1292, flourished 1277-1287
user
first_name: Naud
last_name: Blaak
middle_names: []
temporal:
- start: 1251
  end: 1292
  type: life_span
- start: 1277
  end: 1287
  type: flourished
titles: []
extra_info: []
assistant