Parse this person name:

Geneviève Roger, 1809-1857, flourished 1825-1850
user
first_name: Geneviève
last_name: Roger
middle_names: []
temporal:
- start: 1809
  end: 1857
  type: life_span
- start: 1825
  end: 1850
  type: flourished
titles: []
extra_info: []
assistant