Parse this person name:

Ceylin van Schweinfurt, 1400-1448, flourished 1415-1430
user
first_name: Ceylin
last_name: van Schweinfurt
middle_names: []
temporal:
- start: 1400
  end: 1448
  type: life_span
- start: 1415
  end: 1430
  type: flourished
titles: []
extra_info: []
assistant