Parse this person name:

Sebastiaan van Allemanië (1302-1377, flourished 1328-1356)
user
first_name: Sebastiaan
last_name: van Allemanië
middle_names: []
temporal:
- start: 1302
  end: 1377
  type: life_span
- start: 1328
  end: 1356
  type: flourished
titles: []
extra_info: []
assistant