Parse this person name:

Elizabeth Gray-French (1949-1990, flourished 1975-1985)
user
first_name: Elizabeth
last_name: Gray-French
middle_names: []
temporal:
- start: 1949
  end: 1990
  type: life_span
- start: 1975
  end: 1985
  type: flourished
titles: []
extra_info: []
assistant