Parse this person name:

Irma Wagenknecht, 1784-1841, flourished 1809-1821
user
first_name: Irma
last_name: Wagenknecht
middle_names: []
temporal:
- start: 1784
  end: 1841
  type: life_span
- start: 1809
  end: 1821
  type: flourished
titles: []
extra_info: []
assistant