Parse this person name:

Jonas Roskoth, 1248-1319, flourished 1277-1297
user
first_name: Jonas
last_name: Roskoth
middle_names: []
temporal:
- start: 1248
  end: 1319
  type: life_span
- start: 1277
  end: 1297
  type: flourished
titles: []
extra_info: []
assistant