Parse this person name:

Crystal Thomas, 1528-1586, flourished 1551-1570
user
first_name: Crystal
last_name: Thomas
middle_names: []
temporal:
- start: 1528
  end: 1586
  type: life_span
- start: 1551
  end: 1570
  type: flourished
titles: []
extra_info: []
assistant