Parse this person name:

Alex Zevenboom, 1426-1483, flourished 1456-1478
user
first_name: Alex
last_name: Zevenboom
middle_names: []
temporal:
- start: 1426
  end: 1483
  type: life_span
- start: 1456
  end: 1478
  type: flourished
titles: []
extra_info: []
assistant