Parse this person name:

Emir le Gallen (1420-1483, flourished 1437-1467)
user
first_name: Emir
last_name: le Gallen
middle_names: []
temporal:
- start: 1420
  end: 1483
  type: life_span
- start: 1437
  end: 1467
  type: flourished
titles: []
extra_info: []
assistant