Parse this person name:

Jerzy Gertz, 1647-1703, flourished 1676-1698
user
first_name: Jerzy
last_name: Gertz
middle_names: []
temporal:
- start: 1647
  end: 1703
  type: life_span
- start: 1676
  end: 1698
  type: flourished
titles: []
extra_info: []
assistant