Parse this person name:

Marit van Eck, 1920-1971, flourished 1950-1966
user
first_name: Marit
last_name: van Eck
middle_names: []
temporal:
- start: 1920
  end: 1971
  type: life_span
- start: 1950
  end: 1966
  type: flourished
titles: []
extra_info: []
assistant