Parse this person name:

Maritta Mentzel (1767-1836, flourished 1787-1806)
user
first_name: Maritta
last_name: Mentzel
middle_names: []
temporal:
- start: 1767
  end: 1836
  type: life_span
- start: 1787
  end: 1806
  type: flourished
titles: []
extra_info: []
assistant