Parse this person name:

Ties Keijzer, 1519-1577, flourished 1544-1556
user
first_name: Ties
last_name: Keijzer
middle_names: []
temporal:
- start: 1519
  end: 1577
  type: life_span
- start: 1544
  end: 1556
  type: flourished
titles: []
extra_info: []
assistant