Parse this person name:

Julien Chauvet, 1356-1424, flourished 1374-1387
user
first_name: Julien
last_name: Chauvet
middle_names: []
temporal:
- start: 1356
  end: 1424
  type: life_span
- start: 1374
  end: 1387
  type: flourished
titles: []
extra_info: []
assistant