Parse this person name:

Elena le Gulcher (1389-1431, flourished 1410-1422)
user
first_name: Elena
last_name: le Gulcher
middle_names: []
temporal:
- start: 1389
  end: 1431
  type: life_span
- start: 1410
  end: 1422
  type: flourished
titles: []
extra_info: []
assistant