Parse this person name:

Marguerite Royer (1940-2017, flourished 1959-1985)
user
first_name: Marguerite
last_name: Royer
middle_names: []
temporal:
- start: 1940
  end: 2017
  type: life_span
- start: 1959
  end: 1985
  type: flourished
titles: []
extra_info: []
assistant