Parse this person name:

Maria de Kok (1419-1485, flourished 1449-1478)
user
first_name: Maria
last_name: de Kok
middle_names: []
temporal:
- start: 1419
  end: 1485
  type: life_span
- start: 1449
  end: 1478
  type: flourished
titles: []
extra_info: []
assistant