Parse this person name:

Christof Dehmel, 1249-1295, flourished 1279-1290
user
first_name: Christof
last_name: Dehmel
middle_names: []
temporal:
- start: 1249
  end: 1295
  type: life_span
- start: 1279
  end: 1290
  type: flourished
titles: []
extra_info: []
assistant