Parse this person name:

Elizabeth Stewart (1397-1466, flourished 1414-1438)
user
first_name: Elizabeth
last_name: Stewart
middle_names: []
temporal:
- start: 1397
  end: 1466
  type: life_span
- start: 1414
  end: 1438
  type: flourished
titles: []
extra_info: []
assistant