Parse this person name:

Demi Frerichs, 1545-1617, flourished 1572-1589
user
first_name: Demi
last_name: Frerichs
middle_names: []
temporal:
- start: 1545
  end: 1617
  type: life_span
- start: 1572
  end: 1589
  type: flourished
titles: []
extra_info: []
assistant