Parse this person name:

Naud van Soest, 1257-1312, flourished 1286-1306
user
first_name: Naud
last_name: van Soest
middle_names: []
temporal:
- start: 1257
  end: 1312
  type: life_span
- start: 1286
  end: 1306
  type: flourished
titles: []
extra_info: []
assistant