Parse this person name:

مَسعد الجابر, 1817-1878, flourished 1834-1849
user
first_name: مَسعد
last_name: الجابر
middle_names: []
temporal:
- start: 1817
  end: 1878
  type: life_span
- start: 1834
  end: 1849
  type: flourished
titles: []
extra_info: []
assistant