Parse this person name:

Matthias Geisel (1211-1280, flourished 1239-1259)
user
first_name: Matthias
last_name: Geisel
middle_names: []
temporal:
- start: 1211
  end: 1280
  type: life_span
- start: 1239
  end: 1259
  type: flourished
titles: []
extra_info: []
assistant