Parse this person name:

ناصيف المهنا (1248-1326, flourished 1268-1285)
user
first_name: ناصيف
last_name: المهنا
middle_names: []
temporal:
- start: 1248
  end: 1326
  type: life_span
- start: 1268
  end: 1285
  type: flourished
titles: []
extra_info: []
assistant