Parse this person name:

Genefaas-Estey, Koen M. (Koen Michael), 1854-1922
user
first_name: Koen
last_name: Genefaas-Estey
middle_names:
- Michael
temporal:
- start: 1854
  end: 1922
  type: life_span
titles: []
extra_info: []
assistant