Parse this person name:

Conrad Jacobi Jäckel (1894-1956, flourished 1911-1930)
user
first_name: Conrad
last_name: Jacobi Jäckel
middle_names: []
temporal:
- start: 1894
  end: 1956
  type: life_span
- start: 1911
  end: 1930
  type: flourished
titles: []
extra_info: []
assistant