Parse this person name:

Femke Ernst, 1242-1322, flourished 1262-1280
user
first_name: Femke
last_name: Ernst
middle_names: []
temporal:
- start: 1242
  end: 1322
  type: life_span
- start: 1262
  end: 1280
  type: flourished
titles: []
extra_info: []
assistant