Parse this person name:

Sem Ansems, 1541-1588, flourished 1568-1583
user
first_name: Sem
last_name: Ansems
middle_names: []
temporal:
- start: 1541
  end: 1588
  type: life_span
- start: 1568
  end: 1583
  type: flourished
titles: []
extra_info: []
assistant