Parse this person name:

Janna de Plantard (1743-1809, flourished 1760-1774)
user
first_name: Janna
last_name: de Plantard
middle_names: []
temporal:
- start: 1743
  end: 1809
  type: life_span
- start: 1760
  end: 1774
  type: flourished
titles: []
extra_info: []
assistant