Parse this person name:

Gertrud Stey (1394-1458, flourished 1414-1431)
user
first_name: Gertrud
last_name: Stey
middle_names: []
temporal:
- start: 1394
  end: 1458
  type: life_span
- start: 1414
  end: 1431
  type: flourished
titles: []
extra_info: []
assistant