Parse this person name:

Sienna van Egisheim-Scuylenborchs, 1660-1720, flourished 1684-1707
user
first_name: Sienna
last_name: van Egisheim-Scuylenborchs
middle_names: []
temporal:
- start: 1660
  end: 1720
  type: life_span
- start: 1684
  end: 1707
  type: flourished
titles: []
extra_info: []
assistant