Parse this person name:

Serge Stiebitz, 1369-1421, flourished 1390-1415
user
first_name: Serge
last_name: Stiebitz
middle_names: []
temporal:
- start: 1369
  end: 1421
  type: life_span
- start: 1390
  end: 1415
  type: flourished
titles: []
extra_info: []
assistant