Parse this person name:

Antje Steuer (1245-1319, flourished 1274-1302)
user
first_name: Antje
last_name: Steuer
middle_names: []
temporal:
- start: 1245
  end: 1319
  type: life_span
- start: 1274
  end: 1302
  type: flourished
titles: []
extra_info: []
assistant