Parse this person name:

van Opper-Lotharingen, Matthias (flourished 1397-1420), flourished 1397-1420
user
first_name: Matthias
last_name: van Opper-Lotharingen
middle_names: []
temporal:
- start: 1397
  end: 1420
  type: flourished
titles: []
extra_info: []
assistant