Parse this person name:

Joseph Stewart, 1443-1505, flourished 1470-1485
user
first_name: Joseph
last_name: Stewart
middle_names: []
temporal:
- start: 1443
  end: 1505
  type: life_span
- start: 1470
  end: 1485
  type: flourished
titles: []
extra_info: []
assistant