Parse this person name:

Cas Merkx, 1442-1510, flourished 1468-1483
user
first_name: Cas
last_name: Merkx
middle_names: []
temporal:
- start: 1442
  end: 1510
  type: life_span
- start: 1468
  end: 1483
  type: flourished
titles: []
extra_info: []
assistant