Parse this person name:

علاء آل صفوان (1257-1334, flourished 1274-1287)
user
first_name: علاء
last_name: آل صفوان
middle_names: []
temporal:
- start: 1257
  end: 1334
  type: life_span
- start: 1274
  end: 1287
  type: flourished
titles: []
extra_info: []
assistant