Parse this person name:

Fedor Ziegert (1699-1751, flourished 1718-1728)
user
first_name: Fedor
last_name: Ziegert
middle_names: []
temporal:
- start: 1699
  end: 1751
  type: life_span
- start: 1718
  end: 1728
  type: flourished
titles: []
extra_info: []
assistant