Parse this person name:

Valeska Scheibe (1226-1291, flourished 1252-1274)
user
first_name: Valeska
last_name: Scheibe
middle_names: []
temporal:
- start: 1226
  end: 1291
  type: life_span
- start: 1252
  end: 1274
  type: flourished
titles: []
extra_info: []
assistant