Parse this person name:

Sergej Gieß (1386-1452, flourished 1401-1414)
user
first_name: Sergej
last_name: Gieß
middle_names: []
temporal:
- start: 1386
  end: 1452
  type: life_span
- start: 1401
  end: 1414
  type: flourished
titles: []
extra_info: []
assistant