Parse this person name:

Jenny Stewart, 1814-1875, flourished 1835-1849
user
first_name: Jenny
last_name: Stewart
middle_names: []
temporal:
- start: 1814
  end: 1875
  type: life_span
- start: 1835
  end: 1849
  type: flourished
titles: []
extra_info: []
assistant