Parse this person name:

ثامر حجار, 1428-1490, flourished 1446-1476
user
first_name: ثامر
last_name: حجار
middle_names: []
temporal:
- start: 1428
  end: 1490
  type: life_span
- start: 1446
  end: 1476
  type: flourished
titles: []
extra_info: []
assistant