Parse this person name:

Janna Lachmann (1520-1584, flourished 1546-1557)
user
first_name: Janna
last_name: Lachmann
middle_names: []
temporal:
- start: 1520
  end: 1584
  type: life_span
- start: 1546
  end: 1557
  type: flourished
titles: []
extra_info: []
assistant