Parse this person name:

Erwin Langern (1343-1411, flourished 1370-1384)
user
first_name: Erwin
last_name: Langern
middle_names: []
temporal:
- start: 1343
  end: 1411
  type: life_span
- start: 1370
  end: 1384
  type: flourished
titles: []
extra_info: []
assistant