Parse this person name:

Isis Fien C. Garret, Olterterp, 1854-1876
user
first_name: Isis
last_name: Garret
middle_names:
- Fien
- C.
temporal:
- start: 1854
  end: 1876
  type: life_span
titles: []
extra_info:
- Olterterp
assistant