Parse this person name:

Valentijn Jansen (1508-1562, flourished 1535-1557)
user
first_name: Valentijn
last_name: Jansen
middle_names: []
temporal:
- start: 1508
  end: 1562
  type: life_span
- start: 1535
  end: 1557
  type: flourished
titles: []
extra_info: []
assistant