Parse this person name:

Britta Seip (1429-1508, flourished 1453-1483)
user
first_name: Britta
last_name: Seip
middle_names: []
temporal:
- start: 1429
  end: 1508
  type: life_span
- start: 1453
  end: 1483
  type: flourished
titles: []
extra_info: []
assistant