Parse this person name:

Beatrix Roskoth (1207-1251, flourished 1229-1246)
user
first_name: Beatrix
last_name: Roskoth
middle_names: []
temporal:
- start: 1207
  end: 1251
  type: life_span
- start: 1229
  end: 1246
  type: flourished
titles: []
extra_info: []
assistant