Parse this person name:

Songül Krebs (1373-1451, flourished 1400-1421)
user
first_name: Songül
last_name: Krebs
middle_names: []
temporal:
- start: 1373
  end: 1451
  type: life_span
- start: 1400
  end: 1421
  type: flourished
titles: []
extra_info: []
assistant