Parse this person name:

Sylvia Oderwald (1836-1886, flourished 1854-1869)
user
first_name: Sylvia
last_name: Oderwald
middle_names: []
temporal:
- start: 1836
  end: 1886
  type: life_span
- start: 1854
  end: 1869
  type: flourished
titles: []
extra_info: []
assistant