Parse this person name:

Myrthe Kerkhof, 1207-1247, flourished 1222-1240
user
first_name: Myrthe
last_name: Kerkhof
middle_names: []
temporal:
- start: 1207
  end: 1247
  type: life_span
- start: 1222
  end: 1240
  type: flourished
titles: []
extra_info: []
assistant