Parse this person name:

Valentin Ullrich, 1217-1275, flourished 1238-1253
user
first_name: Valentin
last_name: Ullrich
middle_names: []
temporal:
- start: 1217
  end: 1275
  type: life_span
- start: 1238
  end: 1253
  type: flourished
titles: []
extra_info: []
assistant