Parse this person name:

Gertraude Rosemann (1811-1878, flourished 1829-1839)
user
first_name: Gertraude
last_name: Rosemann
middle_names: []
temporal:
- start: 1811
  end: 1878
  type: life_span
- start: 1829
  end: 1839
  type: flourished
titles: []
extra_info: []
assistant