Parse this person name:

Claas Heidrich, 1227-1295, flourished 1249-1274
user
first_name: Claas
last_name: Heidrich
middle_names: []
temporal:
- start: 1227
  end: 1295
  type: life_span
- start: 1249
  end: 1274
  type: flourished
titles: []
extra_info: []
assistant