Parse this person name:

Laurence Gérard (1394-1457, flourished 1416-1436)
user
first_name: Laurence
last_name: Gérard
middle_names: []
temporal:
- start: 1394
  end: 1457
  type: life_span
- start: 1416
  end: 1436
  type: flourished
titles: []
extra_info: []
assistant