Parse this person name:

Sophia van het Heerenveen (1428-1486, flourished 1455-1466)
user
first_name: Sophia
last_name: van het Heerenveen
middle_names: []
temporal:
- start: 1428
  end: 1486
  type: life_span
- start: 1455
  end: 1466
  type: flourished
titles: []
extra_info: []
assistant