Parse this person name:

Gertrude Jäkel (1713-1754, flourished 1734-1749)
user
first_name: Gertrude
last_name: Jäkel
middle_names: []
temporal:
- start: 1713
  end: 1754
  type: life_span
- start: 1734
  end: 1749
  type: flourished
titles: []
extra_info: []
assistant