Parse this person name:

Geneviève Lejeune, 1250-1315, flourished 1277-1300
user
first_name: Geneviève
last_name: Lejeune
middle_names: []
temporal:
- start: 1250
  end: 1315
  type: life_span
- start: 1277
  end: 1300
  type: flourished
titles: []
extra_info: []
assistant