Parse this person name:

Margrit Mitschke (1345-1403, flourished 1375-1398)
user
first_name: Margrit
last_name: Mitschke
middle_names: []
temporal:
- start: 1345
  end: 1403
  type: life_span
- start: 1375
  end: 1398
  type: flourished
titles: []
extra_info: []
assistant