Parse this person name:

Faas Ligtvoet (1931-1984, flourished 1951-1978)
user
first_name: Faas
last_name: Ligtvoet
middle_names: []
temporal:
- start: 1931
  end: 1984
  type: life_span
- start: 1951
  end: 1978
  type: flourished
titles: []
extra_info: []
assistant