Parse this person name:

Lether-van Kuijc van Malsen, Rik (flourished 1549-1570), flourished 1549-1570
user
first_name: Rik
last_name: Lether-van Kuijc van Malsen
middle_names: []
temporal:
- start: 1549
  end: 1570
  type: flourished
titles: []
extra_info: []
assistant