Parse this person name:

Johanna Grein Groth, 1797-1867, flourished 1821-1841
user
first_name: Johanna
last_name: Grein Groth
middle_names: []
temporal:
- start: 1797
  end: 1867
  type: life_span
- start: 1821
  end: 1841
  type: flourished
titles: []
extra_info: []
assistant