Parse this person name:

Fritsch, Bertha Aynur Erkan., Einbeck (1931-1969)
user
first_name: Bertha
last_name: Fritsch
middle_names:
- Aynur
- Erkan
temporal:
- start: 1931
  end: 1969
  type: life_span
titles: []
extra_info:
- Einbeck
assistant