Parse this person name:

Mirja Heintze (1367-1423, flourished 1383-1394)
user
first_name: Mirja
last_name: Heintze
middle_names: []
temporal:
- start: 1367
  end: 1423
  type: life_span
- start: 1383
  end: 1394
  type: flourished
titles: []
extra_info: []
assistant