Parse this person name:

Emmerich Atzler, 1256-1305, flourished 1286-1298
user
first_name: Emmerich
last_name: Atzler
middle_names: []
temporal:
- start: 1256
  end: 1305
  type: life_span
- start: 1286
  end: 1298
  type: flourished
titles: []
extra_info: []
assistant