Parse this person name:

Niels Maas, 1576-1620, flourished 1591-1613
user
first_name: Niels
last_name: Maas
middle_names: []
temporal:
- start: 1576
  end: 1620
  type: life_span
- start: 1591
  end: 1613
  type: flourished
titles: []
extra_info: []
assistant