Parse this person name:

Saskia Junk, 1409-1457, flourished 1431-1452
user
first_name: Saskia
last_name: Junk
middle_names: []
temporal:
- start: 1409
  end: 1457
  type: life_span
- start: 1431
  end: 1452
  type: flourished
titles: []
extra_info: []
assistant