Parse this person name:

Valentin Matthäi (1316-1361, flourished 1339-1356)
user
first_name: Valentin
last_name: Matthäi
middle_names: []
temporal:
- start: 1316
  end: 1361
  type: life_span
- start: 1339
  end: 1356
  type: flourished
titles: []
extra_info: []
assistant