Parse this person name:

Morris Rijntjes (1321-1398, flourished 1345-1366)
user
first_name: Morris
last_name: Rijntjes
middle_names: []
temporal:
- start: 1321
  end: 1398
  type: life_span
- start: 1345
  end: 1366
  type: flourished
titles: []
extra_info: []
assistant