Parse this person name:

Linn Ketel, 1761-1825, flourished 1789-1812
user
first_name: Linn
last_name: Ketel
middle_names: []
temporal:
- start: 1761
  end: 1825
  type: life_span
- start: 1789
  end: 1812
  type: flourished
titles: []
extra_info: []
assistant