Parse this person name:

Elli Steckel (1725-1784, flourished 1752-1771)
user
first_name: Elli
last_name: Steckel
middle_names: []
temporal:
- start: 1725
  end: 1784
  type: life_span
- start: 1752
  end: 1771
  type: flourished
titles: []
extra_info: []
assistant